In CMD prompt, type the command below one after the other and hit Enter to find the drive containing the MountUUP folder.Under Advanced options screen, select Command Prompt.At the Advanced Startup Options screen, select Advanced Options.At the sign in screen, press and hold the Shift key and select Restart.Since Windows will mount files currently stored in the MountUUP folder once the computer boots to the desktop, this method requires you to boot into Advanced Startup Options, and then access command prompt and delete the folder. 1] Delete folder via Command Prompt in Avanced Startup Options

Let’s see a quick description of the mentioned methods above.

Delete folder in Safe Mode or in Clean Boot state.

Delete folder via Command Prompt in Advanced Startup Options.

So, if you need to delete the folder on your Windows 11/10 device, you can use any of the methods listed below. You cannot delete this folder on your system the normal way, as the folder falls into a special protected folder category. However, the folder will be automatically re-created when the next Build becomes available for your device. It is not recommended, but there is no harm and it’s perfectly safe to delete this folder. How to delete MountUUP folder in Windows 11/10 There are known cases where a download glitch causes this folder to grow abnormally high (over 100 GB). The folder sometimes takes up 8-15GB of storage space on your drive. UUP Technology enables downloading only those components which are updated in the newest Build to reduce the size of the download. The Insider Builds use the UUP technology to download new Builds on your device which usually is released every week. The MountUUP folder is generated after you download and mount an Insider Preview Build of Windows.

In this post, we demystify this folder and also provide ways to delete the folder. In your quest to clean up or free up disk space on your Windows 11 or Windows 10 computer to make room for more storage space, you may come across the MountUUP folder which takes a considerable amount of disk space.

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