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 needs an answerI do too

Hi mdbrady16, If disk defragment can’t run due to some file error, it could be because of that file corruption and in your case as it is related to one of the Windows update, I would suggest you to follow the below mentioned steps and check if it helps resolve the issue.Method 1: Uninstall update KB975558 from Installed Windows updates.a) Click Start, click Run, type “appwiz.cpl”, and then clickOK. b) Click to select the Show Updates check box. c) In the Currently installed programs and updates list, look for the following item:Security Update for Windows Media Player (KB975558)d) Click on the update and select Remove.e) Restart the computer and then try Disk Defragment.Method 2: Uninstall update KB975558 from“$NTUninstallKB975558_WM8$” folder.a) Click Start, Click My Computer, select Local Disk (C:) drive.b) Select Windows folder and select “$NTUninstallKB975558_WM8$” folder.Note: “$NTUninstallKB975558_WM8$” folder is a hidden folder, if you are unable to locate the specified folder, go to Tools -> Folder Options -> select View tab -> select Show hidden files and folders option -> Click Apply -> Click OK.c) Under “$NTUninstallKB975558_WM8$” folder, locate “spuninst” folder and run spuninst.exe from the specified location.d) Restart the computer after the update removal and then try Disk Defragment. Following above steps should delete the folder and complete Disk defragment successfully, If the above steps leaves the folder “$NTUninstallKB975558_WM8$” intact and cannot complete the Disk defragmentation, it’s safe to delete the folder and complete the task.Once Disk defragmentation is completed successfully, you can reinstall the update KB975558 from the following location.http://www.microsoft.com/downloads/en/details.aspx?FamilyID=2084a01c-2a91-4650-8665-7053015f2083Regards,Divya R – Microsoft Support.Visit our Microsoft Answers Feedback Forum and let us know what you think.

Hi mdbrady16,If disk defragment can’t run due to some file error, it could be because of that file corruption and in your case, as it is related to one of the Windows update, I would suggest you to follow the below mentioned steps and check if it helps to resolve the issue.Method 1: Uninstall update KB975558 from Installed Windows updates.a. Click Start, click Run, type “appwiz.cpl”, and then click OK. b. Click to select the Show Updates check box. c. In the Currently installed programs and updates list, look for the following item:Security Update for Windows Media Player (KB975558)d. Click on the update and select Remove.e. Restart the computer and then try Disk Defragment.Method 2: Uninstall update KB975558 from“$NTUninstallKB975558_WM8$” folder.a. Click Start, Click My Computer, select Local Disk (C:) drive.b. Select Windows folder and select “$NTUninstallKB975558_WM8$” folder.Note: “$NTUninstallKB975558_WM8$” folder is a hidden folder, if you are unable to locate the specified folder, go to Tools ->Folder Options -> select View tab -> select Show hidden files and folders option -> Click Apply -> Click OK.c. Under “$NTUninstallKB975558_WM8$” folder, locate “spuninst” folder and run spuninst.exe from the specified location.d. Restart the computer after the update removal and then try Disk Defragment.Following above steps should delete the folder and complete Disk defragment successfully. If the above steps leaves the folder “$NTUninstallKB975558_WM8$” intact and cannot complete the Disk defragmentation, it’s safe to delete the folder and complete the task.Once Disk defragmentation is completed successfully, you can reinstall the update KB975558 by downloading it from the following location.Security Update for Windows XP (KB975558)Regards,Divya R – Microsoft Support.Visit our Microsoft Answers Feedback Forum and let us know what you think.

Hi mdbrady16, If disk defragment can’t run due to some file error, it could be because of that file corruption and in your case as it is related to one of the Windows update, I would suggest you to follow the below mentioned steps and check if it helps resolve the issue.Method 1: Uninstall update KB975558 from Installed Windows updates.a) Click Start, click Run, type “appwiz.cpl”, and then clickOK. b) Click to select the Show Updates check box. c) In the Currently installed programs and updates list, look for the following item:Security Update for Windows Media Player (KB975558)d) Click on the update and select Remove.e) Restart the computer and then try Disk Defragment.Method 2: Uninstall update KB975558 from“$NTUninstallKB975558_WM8$” folder.a) Click Start, Click My Computer, select Local Disk (C:) drive.b) Select Windows folder and select “$NTUninstallKB975558_WM8$” folder.Note: “$NTUninstallKB975558_WM8$” folder is a hidden folder, if you are unable to locate the specified folder, go to Tools -> Folder Options -> selectView tab -> select Show hidden files and folders option -> ClickApply -> Click OK.c) Under “$NTUninstallKB975558_WM8$” folder, locate “spuninst” folder and run spuninst.exe from the specified location.d) Restart the computer after the update removal and then try Disk Defragment. Following above steps should delete the folder and complete Disk defragment successfully, If the above steps leaves the folder “$NTUninstallKB975558_WM8$” intact and cannot complete the Disk defragmentation, it’s safe to delete the folder and complete the task.Once Disk defragmentation is completed successfully, you can reinstall the update KB975558 from the following location.http://www.microsoft.com/downloads/en/details.aspx?FamilyID=2084a01c-2a91-4650-8665-7053015f2083Regards,Divya R – Microsoft Support.Visit our Microsoft Answers Feedback Forum and let us know what you think.