The following methods are prioritized based on their success rates in resolving this specific error:
Bypass Easy Anti-Cheat (Quick Fix): Many users fix this by adding a launch command that bypasses the anti-cheat system. Go to the game's Properties in Steam or Ubisoft Connect. Find the Launch Arguments or Launch Options section.
Type -eac_launcher (or /eac_launcher depending on the platform).
Note: This will likely disable multiplayer features while active.
Verify Game Files: Corrupted files can prevent the launcher from identifying the game path.
In the Ubisoft Connect PC Client, find the Watch Dogs 2 tile, select Properties, and click Verify files.
If you are on Steam, right-click the game, select Properties > Installed Files > Verify integrity of game files. unable to locate uplay pc watch dogs 2
Manually Replace Launcher DLLs: If the launcher is missing specific files, you can manually restore them.
Locate your Ubisoft Connect installation folder (typically C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher).
Ensure files named uplay_r164.dll and uplay_aux_r164.dll are present.
Some users download fresh versions of these .dll files from reputable online libraries and replace the existing ones to fix the error.
Reinstall Ubisoft Connect: A full refresh of the launcher often fixes registry errors. Uninstall the current launcher from your system.
Delete the Ubisoft Game Launcher folder in %LocalAppData% to remove cached data. The following methods are prioritized based on their
Download and install the latest version from the Official Ubisoft Website. Additional Considerations
Run as Administrator: Right-click the Ubisoft Connect desktop shortcut and select Properties. Under the Compatibility tab, check Run this program as an administrator.
Reinstall Easy Anti-Cheat: Navigate to the game's installation folder, find the EasyAntiCheat subfolder, and run EasyAntiCheat_Setup.exe to repair the service.
If you are seeing the "Unable to locate Uplay PC" error while trying to launch Watch Dogs 2, you are likely dealing with a communication breakdown between the game's executable and the Ubisoft Connect launcher (formerly Uplay). This issue often occurs due to outdated DLL files, Easy Anti-Cheat (EAC) conflicts, or incorrect installation paths after a launcher update.
The "Unable to locate Uplay PC" error when launching Watch Dogs 2
typically stems from a communication breakdown between the game's executable, the Easy Anti-Cheat (EAC) system, and the modern Ubisoft Connect Launch the game once from Steam/Epic to let
. Because the game was designed for the older "Uplay" software, certain updates can cause registry or file path mismatches. Understanding the Conflict
The primary cause is often that the game's version of EAC does not recognize updated
files in the current Ubisoft Connect launcher. This mismatch triggers a security flag, preventing the game from "locating" its parent service even if it is currently running. Troubleshooting and Resolutions
Below are the most effective methods to resolve the issue, ranging from simple permission changes to manual file replacements.
Through forensic analysis of the error state, three primary causality factors have been identified:
If you own Watch Dogs 2 on Steam or Epic Games Store, it still launches through Ubisoft Connect. The Paper app might not follow the redirect.
Fix:
UbisoftConnect.exe → Properties → Compatibility → Check Run this program as an administrator.WatchDogs2.exe.