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PC Gamer
PC Gamer
James Bentley

A nasty Windows 11 bug is taking upwards of 500 GB worth of storage, and is surprisingly difficult to spot, but there's a fix

Illustrations Of The Microsoft Windows Operating SystemThe Windows logo appears on the screen of a smartphone reflecting an abstract illustration in blue colors. Microsoft releases a major update to Windows 11 (25H2) and Windows 10 support ends permanently on October 14. In Creteil, France, on October 9, 2025.

If you've found yourself with much less storage than you otherwise anticipated, to the tune of hundreds of missing gigabytes, there's a chance you've fallen victim to a new Windows 11 bug. That, or you're not very good at managing your storage (same).

As spotted by Windows Latest, this new bug involves the CapabilityAccessManager. This function in Windows 11 is responsible for app permissions like allowing apps to access your camera or microphone. It's a file that can reportedly grow in size, but it shouldn't take up to 500 GB, and it definitely shouldn't hold onto that storage indefinitely.

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