After installing a Windows 10 Cumulative Update, when you run Disk Cleanup (cleanmgr.exe) as administrator to cleanup system files, it may incorrectly show 3.99 TB as being occupied by older versions of Windows Updates.Read more
disk cleanup
Start Disk Cleanup With All Checkbox Options Enabled by Default
When you open the Disk Cleanup tool, most if not all of the cleanup options are unchecked by default. Disk Cleanup doesn’t remember the options you enabled the last time when you used it.Read more
Automatically Clear Temp Files Using Disk Cleanup, Storage Sense or Batch file
The TEMP directory (%temp%) gets bloated over time as applications store data over there and don’t always remove the files and folders they created. And, software installers extract the contents of the setup packages to the %temp% folder and fail to do the cleanup act when the installation is complete.Read more
Why doesn’t Disk Cleanup Clear the Temp Folder Contents Completely
Disk Cleanup (Cleanmgr.exe) is a built-in tool in Windows that offers some useful cleanup options not available in other 3rd party cleanup tools. It can remove superseded device drivers, Temporary Files, Internet Explorer cache, obsolete Windows Updates, Previous Windows Installation (Windows.old) folder, and much more.Read more
How to Delete Windows.old folder [Previous versions of Windows]
Windows Operating System upgrades and version updates would leave plenty of files behind in the system drive. This is because Windows keeps the files from the previous versions of Windows in a separate folder in case the user wants to roll back the major update (or OS upgrade).Read more
Fix: Thumbnail Previews Not Showing up in File Explorer
Are your image files showing up with a generic mountain and lake scene instead of the miniature or thumbnail display in File Explorer? And video files may show up with a generic icon/thumbnail.
This article tells you how to enable thumbnail preview and the preview handlers in File Explorer on Windows 10/11 and earlier.Read more
Serious Disk Cleanup Problem in Windows caused by Broken Registration
Reader’s Query: I have a 160GB Western Digital Hard Drive partitioned into a 40GB Operating System partition and the other 120GB for my files. However, when I run Disk Cleanup utility from within Vista Ultimate, it shows multiple 131GB options for me to clean up. After I clicked OK to clean up the selected entries, it erased everything on the 40GB partition. I then had to reinstall Windows Vista, but the problem seems to be recurring.
(Information in this post applies to Windows Vista, 7 & Windows 8 systems.)Read more
How to Clear the Thumbnail Cache in Windows 10 or 11
Windows keeps a copy of all of your picture, video, and document thumbnails in a cache database so they can be displayed quickly when you open a folder. Sometimes due to thumbnail cache corruption, thumbnail previews may not work for some files, for a particular icon size or for all icons sizes.
In some cases, the thumbnail for some items will appear in grayscale although the original image is a color image. Sometimes, the thumbnail quality is mediocre that you can barely recognize the item by looking at it.
Thumbnail preview problems can be resolved by clearing the thumbnail databases and let the system rebuild it as required. To reset the thumbnail cache in Windows Vista, 7, 8 and Windows 10, use one of the methods in this article.Read more
