To deploy an application compatibility database across multiple computers, you can use a system management solution, such as Microsoft System Center Configuration Manager 2007, and then use the SDBInst.exe command-line tool to install the database.

To deploy an application compatibility database across multiple computers, you can use a system management solution such as Microsoft System Center Configuration Manager 2007 and then use the SDBInst.exe command-line tool to install the database.

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.

Windows 10. If you can’t connect to an Xbox multiplayer game on Windows 10, go to Settings > Gaming > Xbox Networking. Look for Server connectivity. If the status says Blocked, your PC was unable to establish a Teredo IPsec connection to the Quality of Service (QoS) server.

If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

If you want to remove a OneDrive folder from your computer, follow the steps in Choose which OneDrive folders to sync to your computer. If you want to cancel your OneDrive subscription, see How to cancel your Microsoft subscription.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Uninstall or remove apps and programs in Windows. There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.