This guide presents an alternative strategy for addressing potential issues which can be dealt with by cleaning the game's related cache.
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Although the expected outcomes theoretically remain unchanged, certain troubleshooting steps are sometimes inadvertently overlooked. To ensure that you have carried out all the necessary procedures accurately, you can adopt the method detailed here as a "control approach."

In the event that launching the game under a fresh Windows User profile proves successful, but you are still encountering problems on your main Windows profile despite attempting to clean the cache, it is likely that the earlier cache cleanup was not executed as intended.

Right-click on the Windows logo (left bottom) and select Settings



Go to Accounts



Add someone else to this PC



Select I don't have that person's sign-in information



Continue with Add a user without a Microsoft Account



Pick whatever username you like (here I used "Tav")



Change Account type to Administrator



Switch to the newly made account



Start Baldur's Gate 3 directly by using the executable from its installation folder