Thousands of files in bizarre C:\ folder

[Pan_UK]

I'm running Windows 11 Home on an HP laptop with 500GB of space, but only have 50GB left. This is odd as I only have about 100GB of documents and not many apps.I was reviewing my usage and the thing that takes up most space (250GB!) is a folder in C:\Jau[ovXS= (full name covered in case it is an security issue) which contains almost 2 million files with equally odd names, the vast majority of which are 1KB, but a few are 216MB each.I've tried to look online what purpose they might serve but can't figure it out. The closest I found was a bug in Windows Defender a couple of years ago which did s

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