Getting low disk space errors. Ran disk cleanup fine. Tried to run disk defragmentation and getting an error message saying cannot run, file error with file $NTUninstallKB975558_WM8$I have run virus scan, 'Check Now and check both Automatically fix file system errors and Scan for andattempt recovers of bad sectors' as well as 'sfc /scannow' but still cannot defragment. I know this is file is related to a windows update and am afrais to just delete the file. Any help appreciated.1 person got this answerI do too