When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether. If this happens, you can use the Deployment Image Servicing and Management tool (DISM) and the System File Checker tool (SFC) to scan your system files and restore any corrupted or missing files.

Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

Note: Individual entries in the following table can be referenced directly through a bookmark.If you select any bug reference ID in the table, a bookmark tag is added to the URL by using the "#bkmk_NNNNNNN" format. You can then share this URL with others so that they can jump directly to the desired fix in the table.

The Xbox Offline System Update (OSU) process allows you to update your console by downloading a file to a USB flash drive and then installing that file directly onto your Xbox Series X|S or Xbox One console. To use the Offline System Update, you'll need:

To use Windows Backup, you need to sign in with your Microsoft account. This ensures that your backed-up information is stored securely in the cloud, making it accessible from any device you sign into with the same account.

Keeping your controller updated with the latest software maximizes your controller's capabilities and compatibility. You can update your controller wirelessly, with a USB connection, or on a PC using the Xbox Accessories app. If you encounter any issues while updating your controller, go to: I can’t update my Xbox controller.

To download the recovery image, you’ll need a USB drive. Before you download a recovery image, format your USB drive to FAT32. Having trouble signing in? Contact Us.

We’re aware of an issue where players on Arm devices are unable to download and play Roblox via the Microsoft Store on Windows. Following the installation of the October 2024 security update, some customers report that the OpenSSH (Open Secure Shell) service fails to start, preventing SSH connections.

“We couldn’t update system reserved partition” error installing Windows 10. When upgrading to, or updating, Windows 10, you might encounter the error “We couldn’t update system reserved partition”, error code 0xc1900104, or error code 0x800f0922. The System Reserved Partition (SRP) may be full.

Issue 1: You receive an "Access Denied" error message or a similar message. Issue 2: You cannot access, change, save, or delete files and folders. Issue 3: You cannot open a file or folder after you install a new version of Windows. To resolve a particular issue, follow the steps for the issue that best describes your situation.