TLDR; I did everything as instructed below, but I think either unistalling RivaTunerStatistics or disabling the Steam overlay is what fixed it for me. Here's the full response from Ubisoft support:
Type: Posts; User: yourname1018; Keyword(s):
TLDR; I did everything as instructed below, but I think either unistalling RivaTunerStatistics or disabling the Steam overlay is what fixed it for me. Here's the full response from Ubisoft support: