Try guided support. If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.

For more information, see Adobe Flash end of support on December 31, 2020. Applying this update will remove Adobe Flash Player from your Windows device. After this update has been applied, this update cannot be uninstalled. This update only removes Adobe Flash Player that was installed by your version of Windows.

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.

Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.

Windows 10 Windows 11. The steps to access the repair tool vary depending on your operating system. Right-click the Start button (lower-left corner) and select Apps and Features on the pop-up menu. Select the Microsoft Office product you want to repair and select Modify.

Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

Follow these steps if you're using Copilot and you receive an error that says: We encountered a problem validating your Copilot license. For more information, see https://aka.ms/copilotlicensecheck. Ensure you're using the correct account. Make sure you're signed into your Microsoft 365 apps with an account that has a Copilot license.

This security update resolves vulnerabilities in Adobe Flash Player that is installed on any of the Windows operating systems that are listed in the "Applies to" section. To learn more about these vulnerabilities, see ADV200003. Important.

The Microsoft Support and Recovery Assistant works by running tests to figure out what's wrong and offers the best solution for the identified problem. It can currently fix Office, Microsoft 365, or Outlook problems.

Windows activation or validation fails when you try to activate Windows operating systems over the Internet. Additionally, you may receive one or more of the following errors: Error code: 0x80004005 Description: License Activation (SLUI.exe) failed.