The 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. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open.

The sfc /scannow command will scan all protected system files, and replace corrupted files with a cached copy that is located in a compressed folder at %WinDir% \System32\dllcache. The %WinDir% placeholder represents the Windows operating system folder. For example, C:\Windows.

Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.

Windows 11 Windows 10. PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check.

FIX: Error occurs when Microsoft.BizTalk.Analytics.Common assembly is not available in the GAC of BizTalk Server - Microsoft Support.

Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...

If you're having an installation issue such as Microsoft 365 taking long to install, try Need help? for a list of common issues. Activate Microsoft 365 or Office. To open an app, select the Start button (lower-left corner of your screen) and type the name of an app, like Word.

Restore from a system restore point. Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

After the January 2023 or the February 2023 Security Update for Microsoft Exchange Server 2019, 2016, or 2013 is installed, and the Certificate Signing of PowerShell Serialization Payload is enabled, the Exchange Toolbox and Queue Viewer doesn't start.