When installing the Access 365 Runtime on a machine that has another Click-to-Run version of Office installed, the Access Runtime installed will match that of the existing Office installation. For instance, if the machine has Office 2021 installed, Access 2021 Runtime will be installed.

Open Task Manager by pressing Ctrl+Shift+Esc or select Start and enter Task Manager in the Search. In the Processes tab, check to see how much memory Runtime Broker is using. If its using more than 15% of your memory, you might have an issue with an app on your PC. To stop the Runtime Broker from using too much memory:

Use the System File Checker tool to repair missing or corrupted system files. When critical Windows system files are missing or corrupted, some Windows features may stop working correctly or Windows may stop responding altogether.

Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.

Get Help has troubleshooters for Microsoft 365 you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter. Available Microsoft 365 troubleshooters.

Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.

Learn how to use the PC Health Check app to help you improve your device performance.

Learn how to download and install apps you need from your Microsoft 365 business subscription.