When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.

Whenever one wants to run chkdsk on a partition he or she can not run that command. Such locking of the drive partition may be due to third party virus checker or disk monitor tool. 1]Click Start, go to Run menu and type services.msc and click OK.

Learn how to run System File Checker in Windows to check if your computer has problems with files.

Fixes a problem in which the ChkDsk.exe utility reports an error when you run this utility on a volume that is a multiple of 8 GB on a computer that is running Windows Vista, Windows Server 2008, Windows 7, or Windows Server 2008 R2.

Follow these steps to automatically diagnose and repair problems with files and folders in Windows. These problems might include the inablility to delete files or folders from the Recycle Bin, or troubles with trying to copy, move, rename, or delete a file. Select the Download button on this page.

Fixes an issue in which the chkdsk command doesn't run correctly in Windows 8.1, Windows RT 8.1, or Windows Server 2012 R2.

Learn about the recovery options in Windows.

Get Help has troubleshooters, or diagnostic tests, that can check your system configuration for anything that might be causing issues using your devices. View troubleshooter results. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.

In this scenario, chkdsk reports errors on the drive if the snapshot runs within the second phase of chkdsk. However, when the snapshot is complete, everything is fine again, and chkdsk does not report any errors.

Learn about Windows RE, how to access it, and the different tools it offers.