Finding Windows 11 sluggish when you’re working with files and folders? You’re not alone – and it’s high time for Microsoft to sort out File Explorer

Microsoft is fixing one bug that’s making File Explorer very slow to close There are a bunch of other complaints about it ...
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Microsoft confirms frequent File Explorer crashes are real with latest KB5034857 build

Microsoft has released a new Windows 11 Beta Build 22635.3276 under KB5034857 today for Insiders. With this new build, Microsoft brings bug fixes and also confirms frequent File Explorer crashes.
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My Windows desktop kept flickering until I cleared this cache

Tiny cache corruption can imitate faulty graphic driver issues.