Hey guys, please try deleting the folder located at C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\cache. Additionally, if you are having issues with Ghost Recon Wildlands, you may want to post in that games forum.
We're sorry to hear that, Grim_Reaper_15.
The first thing we'd advise is making sure you've been through the full steps in the guide here.