Windows Resource Protection found corrupt files but was unable to fix some of them. This means that system files are to blame, but SFC can’t replace them.Windows Resource Protection found corrupt files and successfully repaired them. This should hopefully mean that your problems have been solved.Windows Resource Protection did not find any integrity violations. This means that whatever’s causing your PC problems isn’t related to a system file.Once SFC has finished scanning, you’ll see one of three messages: If you only want to scan but not repair corrupted system files, type: sfc /verifyonly command The scan can take some time, but make sure you leave the Command Prompt window open until it’s complete. SFC will perform a full scan of your system and repair and replace any files that are damaged or missing, using versions from the Windows component store. Then type the following and press Enter: sfc /scannow Open an elevated Command Prompt, by running the tool as an administrator. If you’re uncomfortable with using the Command Prompt, open File Explorer, click This PC, then right-click the drive you want to check and select Properties. You can run CHKDSK from the command prompt. You can use one of the following methods: 1. To prevent future errors and potential data loss, it’s worth running CHKDSK manually at least once a month as part of your PC maintenance routine.

However, it won’t actually fix any issues until instructed to do so. Windows may run CHKDSK on startup if it detects a problem with your hard drive, sometimes for innocuous reasons such as improper shutdown, but also more serious ones including malware infection and impending drive failure. It also checks your drive for bad sectors (clusters of data that cannot be read) and either tries to repair them or tells your system not to use them.

For example, if it hangs while shutting down or becomes frustratingly slow.ĬHKDSK scans your entire hard drive to find and fix errors in files and the file system itself. CHKDSK (Check Disk) is the first Windows diagnostic tool you should try if your PC starts acting strangely.

Windows 10 file system check