If Windows cannot delete a file because it is in use, just skip.
You may be asked for Administrative consent to enter this folder, agree to this.
Open File Explorer and navigate to C:\Windows\Temp.
Reboot Windows and clear out C:\Windows\Temp
Navigate to HKLM\SYSTEM\CurrentControlSet\Services\AppXSvc.
Note: Usual proviso here is to be careful when editing the registry! Changing this manually using services.msc does not work (Windows resets it to Manual or does not allow you to change it at all)
User Configuration > Administrative Templates > Windows Components > Storeĭisable the AppX Deployment Service using Registry Editor.
Note: You may need Administrative privileges for this. I disabled both as follows:ĭisable the Store application using Group Policy Editor My problem appears to be related to the in-built Windows Store app and the AppX Deployment Service. Feel free to add additional solutions.but keep them related specifically to C:\Windows\Temp. Exact causes appear to be variable so my solution will only apply in some cases. However, I should stress that a web search reveals that hundreds are having problems with C:\Windows\Temp filling up with garbage, especially with Windows 10 v1803. so I'm sitting on 101GB of spacing being used by non-file objects.This solution described here has worked for me (tested after several reboots). Today I get a notice from backblaze that my disk space is low, and sure enough these unknown files are back, but this time StorageSense isn't removing them. After a lot of duck(and google)-fu I found about the storage sense and cleared up the storage issue. After getting super confused I found out how to display the "unknown" file type and found that was filling all of the free space. I tried cleaning up with disk clean but that didn't free enough up, then I looked at winDirStat and it only show 300GB of space being used. When I came to work in the morning my drive would be full, after reboot I'd about 200GB free. I had this problem a few weeks ago where my C: drive would fill up over night.