Delete the shortcut and create a new one directly from u4.exe (right-click the .exe > Send to > Desktop (create shortcut)).
In this comprehensive guide, we will dissect exactly what u4.exe is, why Windows insists it is missing, and—most importantly—the step-by-step solutions to resolve the error for good. u4.exe does not exist
Properties > Local Files > Verify integrity of game files. GOG Galaxy: Manage installation > Verify / Repair. Delete the shortcut and create a new one directly from u4
If your system was recently cleaned of malware, legitimate files can be collateral damage. Some aggressive cleanup tools delete any .exe they don’t recognize, including u4.exe . Send to >