Because this uses an OLD embedded chrome version 96 it uses an unnecessary bespoke browser cache that is not properly managed by the program and theoretically dependant upon your usage of the program could grow indefinitely!
The path at
C:\Users\[yourusername]\AppData\Roaming\VCapDL\CefCache
periodically you SHOULD delete the folder as it can become massive and really the majority of files stored in it are never needed again, the developers should have disabled the cache feature of the ancient CEF when they incorporated it into their product.