Windows 10 Controlled Folder Issue

Like most apps, Chess Openings Wizard needs to create temporary files while it runs. If you have Bitdefender with “Controlled Folder Access” turned on, it will give COW an error when it starts up as it creates its temporary work files.

Here is Microsoft’s recommendation for allowing apps like COW to use their temporary files:

Add or Remove Allowed Apps for Controlled Folder Access in Windows 10 | Tutorials (

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