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Bookmark or Share- Using the Windows Activation troubleshooter - Microsoft SupportLearn how to use the Activation troubleshooter to resolve common activation issues in Windows.
- Windows troubleshooters - Microsoft SupportIf a troubleshooter is available for your issue, select Run to start that troubleshooter. Windows troubleshooters Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices.
- Fix problems that block programs from being installed or removedThe Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter.
- Troubleshoot screen flickering in Windows - Microsoft SupportPress Ctrl + Alt + Delete to open Task Manager.If you don’t see Task Manager after pressing Ctrl + Alt + Delete, press Ctrl + Shift + Esc to open Task Manager.. If Task Manager flickers along with everything else on the screen, a display driver is probably causing the problem.
- Troubleshoot problems updating Windows - Microsoft SupportRun the Windows Update troubleshooter. If you are using a Windows 10 device, start by running the automated Windows Update troubleshooter in the Get Help app. It will automatically run diagnostics and attempt to fix most of the problems. If you are using an older version of Windows or a mobile device, please skip to General troubleshooting steps.
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