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.

Each release of the tool helps detect and remove current, prevalent malicious software. This malicious software includes viruses, worms, and Trojan horses. Microsoft uses several metrics to determine the prevalence of a malicious software family and the damage that can be associated with it.

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin. Recovery on cloud storage and network file shares is not supported.

Windows 10. 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 try to repair a program first, if it's just not running correctly. Windows 11 Windows 10.

Select Create. Many files need to be copied to the recovery drive, so this might take a while. If you ever need to use the recovery drive to reinstall Windows 11 on your PC, see Recovery options in Windows for further instructions. It's a good idea to Back up your Windows PC frequently because the recovery drive isn't a system image.

Open your Windows Security settings. Select Virus & threat protection > Scan options. Select Microsoft Defender Antivirus (offline scan), and then select Scan now. The Microsoft Defender Offline scan takes several minutes to run, and then your PC will restart. View the results of your scan. Open your Windows Security settings.

Your PC isn't working well and you recently installed an app. Restore from a system restore point. You suspect your device has been infected. Use installation media to reinstall Windows 11. Click one of the recovery options below and follow the steps to try to get things working again.

To start your refund request, sign in. Collapse all. Why don’t I see my purchase in the list? If you’re not seeing your purchase listed above, we can help you figure out why. See: I don’t see a purchase in my order history. Refund eligibility.

Windows 10. Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made. To go back to a restore point:

Recover data from a corrupted workbook. Choose one of the following methods to help recover your data. If it’s not successful, try another method. You can also try third-party software solutions to try to recover workbook.