If you can't find an app or program, try the tips in See all your apps in Windows and Program is not listed in add/remove programs after installation. If you get an error message when you're uninstalling, try the Program Install and Uninstall Troubleshooter.

To use the update in this package, you do not have to make any changes to the registry. You do not have to restart the computer after you apply this update. This update replaces the existing AD RMS client on the computer.

Corrupt registry keys on 64-bit operating systems. Corrupt registry keys that control the update data. Prevent new programs from being installed. Prevent existing programs from being completely uninstalled or updated. Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.

After installing the July 2021 and later updates, non-administrators, including delegated admin groups like printer operators, cannot install signed and unsigned printer drivers to a print server. By default, only administrators can install both signed and unsigned printer drivers to a print server.

Use the steps on this page to update the security info that you use to verify your Microsoft account. Did this resolve the issue? Learn how to replace out-of-date security info to help protect your Microsoft account.

User Account Control (UAC) is designed to prevent unauthorized changes to Windows. When an action requires administrator-level permissions, UAC prompts you to approve or deny the change. This helps protect your Windows device from malicious software and unauthorized modifications.

When Windows Security detects a potentially unwanted app you'll get a notification encouraging you to take action on it. Click on the notification to go to the Virus & threat protection area of Windows Security, then click on the name of the PUA to select the action to take. Note: You may not have all of the options shown in the sample below.

Outlook add-ins and COM add-ins are programs that run within Outlook and perform actions that Outlook doesn't provide. For example, if you use a password management service or an online meeting service, including Skype, you may have an Outlook add-in assisting you.

Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.