Q-CTRL’s quantum control infrastructure software for R&D professionals and quantum computing end users delivers the highest performance error-correcting and suppressing techniques globally, and provides a unique capability accelerating the pathway to the first useful quantum computers. This foundational technology also applies to a new ... Q-CTRL was founded on November 22, 2017 by Professor Michael J. Biercuk, leader of the Quantum Control Laboratory within the University of Sydney’s Quantum Science Group. Biercuk was a professor of quantum physics and quantum technology when he sensed the time was right to start a company focused on what he had been researching for a decade ... Q-CTRL was founded on November 22, 2017 by Professor Michael J. Biercuk, leader of the Quantum Control Laboratory within the University of Sydney’s Quantum Science Group. Biercuk was a professor of quantum physics and quantum technology when he sensed the time was right to start a company focused on what he had been researching for a decade ...In computing, a Control key Ctrl is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, Ctrl + C ). Similarly to the Shift key, the Control key rarely performs any function when pressed by itself. The Control key is located on or near the bottom left side of most keyboards (in ...Michael's current commercial efforts leading the venture-capital-backed Q-CTRL are supported by experience in a Big-Three management consulting firm. He is a proficient networker and communicator ... At Q-CTRL, we make quantum technology useful. We deliver transformational real-world outcomes from quantum technology. Q-CTRL enables researchers, developers, and engineers to build stable ...In computing, a Control key Ctrl is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, Ctrl + C ). Similarly to the Shift key, the Control key rarely performs any function when pressed by itself. The Control key is located on or near the bottom left side of most keyboards (in ...Gain critical insights with the Q-CTRL difference. Quantum sensors are poised to revolutionize industries from health to minerals to defense. Our globally unique “ software-ruggedized ” cold-atom quantum sensors are operational in the real environments you care about. From maritime to airborne applications, our devices go where the ...Q-CTRL enables real-world outcomes through quantum control that provide access to decades of combined experience and opening up new worlds of opportunity.Jul 19, 2023 · Q-CTRL and OQC at Q2B Tokyo. Both Q-CTRL and OQC will be present at Q2B Tokyo, an international conference uniting academics, end users, government officials and vendors to discuss the progress and future of the quantum industry. Q-CTRL CEO and Founder, Michael J. Biercuk, will present initial benchmarking results from the collaboration in a ... We used Qiskit Pulse and Q-CTRL’s Boulder Opal to run error-robust quantum gates on a five-qubit IBM Quantum Canary processor delivering better value for users Read More >200X low-cost devices using Fire Opal’s QAOA Solver. $160. low-cost devices . with Fire Opal. >2,500X. improvement in cost efficiency. . Q-CTRL’s technology helped achieve the best possible balance of performance and cost. It achieved nearly identical performance to a high-end premium device, but for 2,500X lower compute cost!Information on valuation, funding, cap tables, investors, and executives for Q-CTRL. Use the PitchBook Platform to explore the full profile.LOS ANGELES/Tel Aviv, September 9, 2020 – Q-CTRL, a startup that applies the principles of control engineering to accelerate the development of quantum technology, and Quantum Machines, creator of the first complete hardware and software solution for the control and operation of quantum computers, today announced a global commercial partnership to integrate Q-CTRL’s firmware into Quantum ...Ctrl + M Avança a margem do parágrafo Ctrl + N Formata o texto selecionado com negrito: Ctrl + O Abre um documento já existente Ctrl+ P Abre a caixa de diálogo "Imprimir" Ctrl + Q Alinha o parágrafo à esquerda da página Ctrl + R Atualiza a janela aberta Ctrl + S Formata o texto selecionado com sublinhado: Ctrl + T3. Start a Boulder Opal session. Import the Q-CTRL Python package in your Jupyter notebook or Python script, and start a session by creating a Qctrl object: # Import Q-CTRL Python package. from qctrl import Qctrl # Start a Boulder Opal session. qctrl = Qctrl() If you are a member of multiple organizations, you must specify which organization's ... Ctrl + Alt + Show Windows then move mouse and click. Copy screenshot of window to clipboard. Ctrl + ⇧ Shift + ⌘ Cmd + 4 then Space then move mouse and click. Alt + Print Screen click "Copy to Clipboard". GNOME [9] Ctrl + Alt + Show Windows then move mouse and click. Save screenshot of arbitrary area as file. Black Opal is the best educational tool to teach and learn about quantum computing in a visual way that makes it easier to understand the main topics like superposition, qubits, measurement, entanglement, circuits, and noise. This is the sort of thing needed as quantum computing and quantum tech move from the domain of quantum physicists to a ...Apr 14, 2020 · LOS ANGELES, April 14, 2020 – Q-CTRL, a startup that applies the principles of control engineering to accelerate the development of quantum technology, today announced a strategic investment by In-Q-Tel (IQT), the not-for-profit strategic investor that identifies innovative technology solutions to support the national security communities of the U.S. and its allies. At Q-CTRL, we make quantum technology useful. We deliver transformational real-world outcomes from quantum technology. Q-CTRL enables researchers, developers, and engineers to build stable ...Q-CTRL is a category-defining business focused on developing quantum infrastructure software to improve the utility and performance of quantum hardware. Michael Biercuk, founder and CEO of Q-CTRL, and Andrew Dzurak founder and CEO of Diraq, have been colleagues for over 20 years – first in academia and later in industry – and are recognized ...Ctrl + D (or Delete) Delete the selected item and move it to the Recycle Bin. Ctrl + E. Open Search (in most apps). Ctrl + R (or F5) Refresh the active window. Ctrl + Y. Redo an action. Ctrl + Right arrow. Move the cursor to the beginning of the next word. Ctrl + Left arrow. Move the cursor to the beginning of the previous word. Ctrl + Down arrow Q-CTRL. LOS ANGELES, Oct. 10, 2019 - Q-CTRL, a quantum computing startup with U.S. headquarters in Los Angeles, has entered into a global partnership to power superconducting ‘quantum accelerators’ from Bleximo, a full-stack quantum computing startup based in Berkeley, Calif. With the agreement, Q-CTRL will deliver software tools to the ...Michael's current commercial efforts leading the venture-capital-backed Q-CTRL are supported by experience in a Big-Three management consulting firm. He is a proficient networker and communicator ... Sep 9, 2020 · Q-CTRL and Quantum Machines, two of the better-known startups in the quantum control ecosystem, today announced a new partnership that will see Quantum Machines integrate ‘s quantum firmware ... In honor of World Quantum Day, Q-CTRL will be offering two Black Opal Pro annual subscriptions for the price of one from April 14-20. Black Opal serves to build the quantum technology community by allowing anyone to learn quantum computing in minutes a day, irrespective of their backgrounds. It supports engineers and developers wanting to enter ...Q-CTRL was founded on November 22, 2017 by Professor Michael J. Biercuk, leader of the Quantum Control Laboratory within the University of Sydney’s Quantum Science Group. Biercuk was a professor of quantum physics and quantum technology when he sensed the time was right to start a company focused on what he had been researching for a decade ... Q-CTRL and OQC will be present at Q2B Tokyo, an international conference uniting academics, end users, government officials and vendors to discuss the progress and future of the quantum industry. Q-CTRL CEO and Founder, Michael J. Biercuk, will present initial benchmarking results from the collaboration in a keynote presentation on the first ...Black Opal is the best educational tool to teach and learn about quantum computing in a visual way that makes it easier to understand the main topics like superposition, qubits, measurement, entanglement, circuits, and noise. This is the sort of thing needed as quantum computing and quantum tech move from the domain of quantum physicists to a ... Quantum computing infrastructure startup Q-CTRL Pty. Ltd. said today it has closed on a $27.4 million Series B-1 fundraise, bringing its total Series B round to more than $52 million — the ...Alt + 5. Switch to Date Calculation mode. Ctrl + M. Store in memory, in Standard mode, Scientific mode, and Programmer mode. Ctrl + P. Add to memory, in Standard mode, Scientific mode, and Programmer mode. Ctrl + Q. Subtract from memory, in Standard mode, Scientific mode, and Programmer mode. Ctrl + R.Quantum control is able to improve the ability of quantum sensors to detect desired “target” signals and reject other sources of interference that can otherwise obscure the target. Our early studies have identified over 500x improvements in the ability of quantum sensors for gravity based on cold atoms to resist the interference caused when ...Oct 11, 2019 · Q-CTRL. LOS ANGELES, Oct. 10, 2019 - Q-CTRL, a quantum computing startup with U.S. headquarters in Los Angeles, has entered into a global partnership to power superconducting ‘quantum accelerators’ from Bleximo, a full-stack quantum computing startup based in Berkeley, Calif. With the agreement, Q-CTRL will deliver software tools to the ... Nov 22, 2022 · Q-CTRL. SYDNEY, AUSTRALIA, November 22, 2022 – Q-CTRL, a global leader in quantum control infrastructure software, and Classiq, the leader in quantum algorithm development software, today announced a partnership to provide an end-to-end platform for designing, executing, and analyzing quantum algorithms. The new partnership will integrate ... Q-CTRL also has developed Black Opal, an edtech platform that enables users to quickly learn quantum computing. Founded by Michael J. Biercuk in 2017, Q-CTRL has pioneered the quantum infrastructure software segment, and has become the leading product-focused software company in the broader quantum sector. In 2022, Q-CTRL augmented its product ... Nov 29, 2022 · Q-CTRL survey reveals R&D community wishlist for quantum hardware. November 29, 2022. Written by. Prof. Michael J. Biercuk. We’ve heard a lot from potential end users about their views on the field of quantum computing and how they plan to engage with this transformational new technology to gain strategic advantage. Apr 14, 2020 · LOS ANGELES, April 14, 2020 – Q-CTRL, a startup that applies the principles of control engineering to accelerate the development of quantum technology, today announced a strategic investment by In-Q-Tel (IQT), the not-for-profit strategic investor that identifies innovative technology solutions to support the national security communities of the U.S. and its allies. Enabling developers and researchers to gain better insights, faster. Fire Opal packages a comprehensive suite of best-in-class AI-driven quantum control techniques into a simple tool. Suppress errors in hardware and circuit execution with a single command. Read the docs.Michael's current commercial efforts leading the venture-capital-backed Q-CTRL are supported by experience in a Big-Three management consulting firm. He is a proficient networker and communicator ...Q-CTRL. SYDNEY, Dec. 2, 2021 – Q-CTRL, a startup that applies the principles of control engineering to accelerate the development of quantum technology, today announced it was named a winner of the InnovationAus Australian Hero Award for its technology’s potential to make quantum computing useful by improving quantum computer stability.Quantum sensing allows you to see the world in a new way by detecting gravity, magnetic fields, and acceleration with unprecedented sensitivity and stability. We develop new in-house sensor designs and operating software to make quantum sensors useful in the field. Applications span gravimetry, accelerometry, and magnetometry for ISR, minerals ...Jul 18, 2023 · Q-CTRL and OQC will be present at Q2B Tokyo, an international conference uniting academics, end users, government officials and vendors to discuss the progress and future of the quantum industry. Q-CTRL CEO and Founder, Michael J. Biercuk, will present initial benchmarking results from the collaboration in a keynote presentation on the first ... Q-CTRL is a World Economic Forum Global Innovator, and is a member of the Quantum Economic Development Consortium, US Geospatial Intelligence Foundation, and the Tech Council of Australia. Q-CTRL is the recipient of Modern Manufacturing Initiative, Moon-to-Mars Supply Chain, and Next Generation Technology Fund awards. Q-CTRL is a World Economic Forum Global Innovator, and is a member of the Quantum Economic Development Consortium, US Geospatial Intelligence Foundation, and the Tech Council of Australia. Q-CTRL is the recipient of Modern Manufacturing Initiative, Moon-to-Mars Supply Chain, and Next Generation Technology Fund awards.Enabling developers and researchers to gain better insights, faster. Fire Opal packages a comprehensive suite of best-in-class AI-driven quantum control techniques into a simple tool. Suppress errors in hardware and circuit execution with a single command. Read the docs.There are many good things to say about Q-CTRL. 1. Independently if you believe in the future of this industry, the challenges are real and fascinating. At Q-CTRL you'll get a chance to work on these interesting problems and you'll have a chance to learn a lot about quantum physics, about machine learning, control theory and many other tools. 2.Michael's current commercial efforts leading the venture-capital-backed Q-CTRL are supported by experience in a Big-Three management consulting firm. He is a proficient networker and communicator ...Q-CTRL is a category-defining business focused on developing quantum infrastructure software to improve the utility and performance of quantum hardware. The company began its journey as Australia’s first venture-backed quantum tech startup and recently announced that it will be delivering quantum sensing navigational technology for Australian ...Q-CTRL’s globally unique software-defined quantum sensors to enable GPS-free navigation for Australian Defence and AUKUS partners. SYDNEY, AUSTRALIA, July 11, 2023-- Q-CTRL, a global leader in developing useful quantum technologies through quantum infrastructure software, today announced a partnership with Australia’s Department of Defence to develop quantum sensors that will deliver ...TAMPA, Fla. — Australian startup Q-Ctrl has raised $25 million to develop software for space-qualified quantum sensors in a funding round led by Airbus Ventures, the venture capital arm of ...Learning center. Discover the background, history, and context of Q-CTRL's work in quantum computing and quantum sensing. The New York Times. July 28, 2023. Article. Q-CTRL Adds Morpheus Ventures to Record Setting Series B Funding Round with Total of $54 million USD Raised. The Quantum Insider. July 25, 2023. Article. Main Sequence hits first close of $450M AUD for its third deep tech fund. TechCrunch.Alt+Period, S or Alt+Windows logo key, S. Open the Review tab to check spelling, add comments, or track and review changes to your document. Alt+Period, R or Alt+Windows logo key, R. Open the View tab to choose a view, open the Navigation pane, edit the Header & Footer, and to Zoom the document view.Ctrl+Arrow key. Enter the End mode, move to the next nonblank cell in the same column or row as the active cell, and turn off End mode. If the cells are blank, move to the last cell in the row or column. End, Arrow key. Move to the last cell on a worksheet, to the lowest used row of the rightmost used column. Ctrl+End. Q-CTRL PTY LTD Company Profile | SYDNEY, NEW SOUTH WALES, Australia | Competitors, Financials & Contacts - Dun & BradstreetQ-CTRL Breaks Ground on New Global Headquarters in Sydney, the First Commercial Facility in Australia Dedicated to Quantum Tech. New headquarters for leading quantum company reimagines a former industrial structure to build the technology of the future. June 27, 2023. Q-CTRL digest.LOS ANGELES/Tel Aviv, September 9, 2020 – Q-CTRL, a startup that applies the principles of control engineering to accelerate the development of quantum technology, and Quantum Machines, creator of the first complete hardware and software solution for the control and operation of quantum computers, today announced a global commercial partnership to integrate Q-CTRL’s firmware into Quantum ... Ctrl+Arrow key. Enter the End mode, move to the next nonblank cell in the same column or row as the active cell, and turn off End mode. If the cells are blank, move to the last cell in the row or column. End, Arrow key. Move to the last cell on a worksheet, to the lowest used row of the rightmost used column. Ctrl+End.Aug 19, 2023 · There are many good things to say about Q-CTRL. 1. Independently if you believe in the future of this industry, the challenges are real and fascinating. At Q-CTRL you'll get a chance to work on these interesting problems and you'll have a chance to learn a lot about quantum physics, about machine learning, control theory and many other tools. 2. Nov 29, 2022 · Q-CTRL survey reveals R&D community wishlist for quantum hardware. November 29, 2022. Written by. Prof. Michael J. Biercuk. We’ve heard a lot from potential end users about their views on the field of quantum computing and how they plan to engage with this transformational new technology to gain strategic advantage. Figure 1. The probability distribution of an execution of quantum phase estimation with three counting qubits, a single-qubit unitary, and a phase gate P ( ψ) with a 2*ℼ* ψ =1/3 rotation executed on IBM’s 7-qubit Lagos device. The top graph represents the ideal distribution, the bottom light gray is IBM default, and the purple is Fire Opal.Designed by the team of quantum experts at Q-CTRL, Black Opal is an invaluable gift for anyone ages 16 and up interested in learning quantum computing; 70% discount on an annual subscription + 4 months free beta access available starting this Black Friday weekend.We used Qiskit Pulse and Q-CTRL’s Boulder Opal to run error-robust quantum gates on a five-qubit IBM Quantum Canary processor delivering better value for users Read More >200X Our advanced quantum control software Boulder Opal provides everything needed to achieve more - and faster through cutting edge AI for hardware, quantum control tools and libraries, and the world’s most comprehensive and best-performing optimization engine for quantum devices. Onboarding to code execution takes less than five minutes.Quantum sensing allows you to see the world in a new way by detecting gravity, magnetic fields, and acceleration with unprecedented sensitivity and stability. We develop new in-house sensor designs and operating software to make quantum sensors useful in the field. Applications span gravimetry, accelerometry, and magnetometry for ISR, minerals ...Sep 9, 2020 · Q-CTRL and Quantum Machines, two of the better-known startups in the quantum control ecosystem, today announced a new partnership that will see Quantum Machines integrate ‘s quantum firmware ... Q-CTRL is a World Economic Forum Global Innovator, and is a member of the Quantum Economic Development Consortium, US Geospatial Intelligence Foundation, and the Tech Council of Australia. Q-CTRL is the recipient of Modern Manufacturing Initiative, Moon-to-Mars Supply Chain, and Next Generation Technology Fund awards.Alt + 5. Switch to Date Calculation mode. Ctrl + M. Store in memory, in Standard mode, Scientific mode, and Programmer mode. Ctrl + P. Add to memory, in Standard mode, Scientific mode, and Programmer mode. Ctrl + Q. Subtract from memory, in Standard mode, Scientific mode, and Programmer mode. Ctrl + R.Q-CTRL’s technology helped achieve the best possible balance of performance and cost. It achieved nearly identical performance to a high-end premium device, but for 2,500X lower compute cost! Putting Fire Opal into practice. All in all, the customer was able to drastically lower the compute costs of their R&D cycle for portfolio optimization. At Q-CTRL, we make quantum technology useful. We deliver transformational real-world outcomes from quantum technology. Q-CTRL enables researchers, developers, and engineers to build stable ...Q-CTRL and OQC will be present at Q2B Tokyo, an international conference uniting academics, end users, government officials and vendors to discuss the progress and future of the quantum industry. Q-CTRL CEO and Founder, Michael J. Biercuk, will present initial benchmarking results from the collaboration in a keynote presentation on the first ...Alt+Period, S or Alt+Windows logo key, S. Open the Review tab to check spelling, add comments, or track and review changes to your document. Alt+Period, R or Alt+Windows logo key, R. Open the View tab to choose a view, open the Navigation pane, edit the Header & Footer, and to Zoom the document view.Q-CTRL is Australia's first venture-capital-backed quantum tech company and is using control to solve the hardest problems facing #quantumtechnology, improving hardware performance and ...We used Qiskit Pulse and Q-CTRL’s Boulder Opal to run error-robust quantum gates on a five-qubit IBM Quantum Canary processor delivering better value for users Read More >200X Q-CTRL’s quantum control infrastructure software for R&D professionals and quantum computing end users delivers the highest performance error-correcting and suppressing techniques globally, and provides a unique capability accelerating the pathway to the first useful quantum computers. This foundational technology also applies to a new ...Ctrl + Y, or Shift + Alt + Backspace. ⇧ Shift + ⌘ Cmd + Z. ⇧ Shift + Ctrl + Z, or Ctrl + Y. Same as undo, when undo is exhausted, it redoes. Move the cursor after one or more undos, and further undos will be redos. Ctrl + r. Ctrl + ⇧ Shift + Z. Cut the selection and store it in the clipboard.Ctrl + Alt + Show Windows then move mouse and click. Copy screenshot of window to clipboard. Ctrl + ⇧ Shift + ⌘ Cmd + 4 then Space then move mouse and click. Alt + Print Screen click "Copy to Clipboard". GNOME [9] Ctrl + Alt + Show Windows then move mouse and click. Save screenshot of arbitrary area as file.Q-CTRL was founded on November 22, 2017 by Professor Michael J. Biercuk, leader of the Quantum Control Laboratory within the University of Sydney’s Quantum Science Group. Biercuk was a professor of quantum physics and quantum technology when he sensed the time was right to start a company focused on what he had been researching for a decade ... Enter quantum firmware. Quantum firmware is a set of protocols whose purpose is to deliver high-performing qubit operations to higher levels of abstraction in the quantum computing stack with minimal user intervention. It is primarily designed to enable the autonomous, efficient, and error-robust manipulation of quantum computing hardware ...New algorithmic benchmarking experiments from Q-CTRL show that replacement quantum logic operations built using quantum control can improve the success of quantum algorithms on real hardware by >25x with no additional overhead on the part of the user. Our solution is the most effective error-suppression technology ever demonstrated.Mar 3, 2021 · Q-CTRL, as a company that provides quantum control engineering, mostly to stabilize quantum systems against disturbances and augment their output, has a heavy focus on software development; but as ... Ctrl + D (or Delete) Delete the selected item and move it to the Recycle Bin. Ctrl + E. Open Search (in most apps). Ctrl + R (or F5) Refresh the active window. Ctrl + Y. Redo an action. Ctrl + Right arrow. Move the cursor to the beginning of the next word. Ctrl + Left arrow. Move the cursor to the beginning of the previous word. Ctrl + Down arrow
q-ctrl.com; Learn more about verified organizations. Overview Repositories Packages People README.md. Hi there! We're Q-CTRL (kjuː kənˈtrəʊl), and we make ... . Atandt wireless customer service phone number
With improvements in system size and performance, IDA forecasts a quantum PNT market exceeding $200 million annually by 2024. Advanced Navigation engaged the expert quantum sensing team at Q-CTRL to help identify a pathway to a quantum-assured solution. Quantum devices deliver output signals that are linked to fundamentals of nature - they are ...Q-CTRL. LOS ANGELES, Oct. 10, 2019 - Q-CTRL, a quantum computing startup with U.S. headquarters in Los Angeles, has entered into a global partnership to power superconducting ‘quantum accelerators’ from Bleximo, a full-stack quantum computing startup based in Berkeley, Calif. With the agreement, Q-CTRL will deliver software tools to the ...In partnership with. Quantum computing software startup Q-CTRL took home the 2023 Startup Daily Best in Tech Awards ’ Most Innovative Startup award, sponsored by Dell for Startups. Here’s why they stood out in one of the event’s most competitive categories. Q-CTRL has pioneered the quantum infrastructure software segment, and become the ...Quantum sensing allows you to see the world in a new way by detecting gravity, magnetic fields, and acceleration with unprecedented sensitivity and stability. We develop new in-house sensor designs and operating software to make quantum sensors useful in the field. Applications span gravimetry, accelerometry, and magnetometry for ISR, minerals ...Glasgow, United Kingdom – QURECA (Quantum Resources & Careers) has teamed with Q-CTRL, an Australian-based technology company using quantum control to make quantum technology useful, to set an ambitious target to build a robust talent pipeline with a targeted focus on youth education through to making every C-Suite executive quantum ready through a new collaboration. 1. An introduction to quantum computing 2. Quantum fundamentals 3. Quantum circuits and algorithms 4. Noise in quantum computing 5. The NISQ era and beyond Learn quantum computing Discover the fundamental physics principles that make quantum computers work in an intuitive way.We used Qiskit Pulse and Q-CTRL’s Boulder Opal to run error-robust quantum gates on a five-qubit IBM Quantum Canary processor delivering better value for users Read More >200X With improvements in system size and performance, IDA forecasts a quantum PNT market exceeding $200 million annually by 2024. Advanced Navigation engaged the expert quantum sensing team at Q-CTRL to help identify a pathway to a quantum-assured solution. Quantum devices deliver output signals that are linked to fundamentals of nature - they are ...Michael's current commercial efforts leading the venture-capital-backed Q-CTRL are supported by experience in a Big-Three management consulting firm. He is a proficient networker and communicator ...New algorithmic benchmarking experiments from Q-CTRL show that replacement quantum logic operations built using quantum control can improve the success of quantum algorithms on real hardware by up >25X with no additional overhead on the part of the user. Our solution is the most effective error-suppression technology ever demonstrated. Q-CTRL is a global provider of quantum control infrastructure software with a stated goal to make quantum useful. Toward that end, the company recently announced the creation of a new quantum...Q-CTRL has been an inaugural member of the IBM Quantum Startup network since 2018, and recently announced that Q-CTRL’s performance management software would run natively on IBM quantum computers. The company has announced partnerships with end-users Xerox PARC, Capgemini, and Transport for NSW to deliver useful quantum computing to enterprise.May 18, 2022 · Keyboard shortcut Action; Windows key (or Ctrl + Esc) Open Start menu. Ctrl + Arrow keys: Change Start menu size. Ctrl + Shift + Esc: Open Task Manager. .