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.

Runtime Broker is a Windows process in Task Manager that helps manage permissions on your PC for apps from Microsoft Store. It should only use a few megabytes of memory, but in some cases, a faulty app might cause Runtime Broker to use up to a gigabyte of RAM or more.

If a disk that you're expecting to see under Current status is not showing up there, it might be because it contains an error. Try to repair the disk first, then return to Disk Defragmenter to try again. Learn how defragmentation can reduce computer performance and what to do about it.

If you encounter issues installing games, try suspending your antivirus software temporarily while you attempt to troubleshoot game installation from the Xbox app or the Microsoft Store app on your PC.

Disk cleanup in Windows. Windows 11 Windows 10. To delete temporary files: In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list of results. Select the drive you want to clean up, and then select OK.

If your game is freezing or not responding, you may need to get the latest updates for your Windows 10/11 device. To check your device for the latest software updates, including video drivers, follow the steps in: How to get software and driver updates for Windows devices.

Windows 10. Select the Start button , and then select Settings > Update & Security > Troubleshoot > Additional troubleshooters. From the list select Windows Store Apps > Run the troubleshooter. Download important or critical Windows updates. Check that you have the latest Windows updates on your device.

Defragment your Windows 10 PC. Windows 10. Optimizing your drives can help your PC run smoother and boot up faster. To optimize them: Select the search bar on the taskbar and enter defrag. Select Defragment and Optimize Drives. Select the disk drive you want to optimize. Select the Optimize button.

Low Disk Space error due to a full Temp folder. If you used Disk Cleanup to free up space on your device and then see a Low Disk Space error, it’s possible that your Temp folder is quickly filling up with application (.appx) files that are used by Microsoft Store.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC.