Unable To Locate Uplay Pc Watch Dogs 2 ✮

Ubisoft, the developer behind Watch Dogs 2 and operator of Uplay, typically addresses these issues through:

If verifying files didn't work, or if you are launching from a desktop shortcut, you likely need to update the file path to reflect the rebrand from Uplay to Ubisoft Connect.

Note: Ensure the "Start In" field points to the folder containing the executable, usually: C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher

Contact Ubisoft support if:

If you want, tell me which launcher you use (Ubisoft Connect, Steam, or Epic) and which OS drive(s) you installed games on, and I’ll give exact folder paths and the precise steps to force the launcher to locate the existing installation.

This error typically occurs because Watch Dogs 2 uses an older version of Easy Anti-Cheat (EAC) that sometimes fails to recognize newer files in the Ubisoft Connect launcher.

Here is a review of the most effective community-tested fixes as of April 2026: Quick Fixes

The DLL Swap (Most Effective): Many users have resolved this by replacing uplay_r164.dll and uplay_aux_r164.dll in the Ubisoft Game Launcher folder (usually C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher) with fresh copies found online. unable to locate uplay pc watch dogs 2

Target Command: Right-click your Ubisoft Connect shortcut > Properties > Target tab. Add a space after the existing text and type /eac_launcher. Apply and restart the launcher.

Run as Admin: Right-click the Ubisoft Connect executable, go to Compatibility, and check "Run this program as an administrator". Alternative Troubleshooting

Disable EAC (Single Player Only): If you don't care about multiplayer, you can bypass the check entirely. In Steam or Ubisoft Connect, add -eac_launcher or -nosplash to the game's Launch Arguments.

Clear Launcher Cache: Press Win + R, type %LocalAppData%, and delete the Ubisoft Game Launcher folder to clear corrupted temporary data.

Reinstall EAC: Go to the game's installation folder (e.g., ...\Watch Dogs 2\EasyAntiCheat), run EasyAntiCheat_Setup.exe, and select Repair or Install. Scenarios for Clarification:

Are you seeing an "Untrusted system file" error message along with this?

Did this issue start immediately after a recent Windows or Ubisoft update? Ubisoft, the developer behind Watch Dogs 2 and

Does one of these technical fixes resolve the launcher error for you?

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 Watch Dogs 2" error disrupts the gaming experience for Watch Dogs 2 players on PC. While several potential solutions and workarounds exist, the issue underscores the importance of robust testing, frequent updates, and responsive support from game developers and service providers. Ubisoft's ongoing efforts to improve Uplay and address game-related issues are crucial in minimizing such disruptions and ensuring a smoother experience for players.

The "Unable to locate Uplay PC" error in Watch Dogs 2 typically occurs because the game is looking for the legacy "Uplay" launcher instead of the updated Ubisoft Connect client. You can resolve this by updating launch arguments or manually replacing missing system files.  Primary Fix: Use EAC Launch Argument 

This is the most common fix, though it may disable multiplayer features.  Open your game library (Steam, Epic, or Ubisoft Connect). Right-click on Watch Dogs 2 and select Properties.

In the General tab, find the Launch Options (or "Add command line arguments"). Type -eac_launcher (or /eac_launcher) and save. Launch the game again.  Alternative Fix: Replace DLL Files 

If you want to keep multiplayer functionality, users often manually add specific legacy files to the modern launcher folder.  You need to change this to the current executable name

Locate Folder: Go to your Ubisoft Connect installation directory, typically C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher.

Missing Files: Ensure the files uplay_r164.dll and uplay_aux_r164.dll are present in that folder.

Action: If missing or corrupted, some community members download these specific versions from reputable DLL hosting sites and place them in the directory.  General Troubleshooting 

If the above steps don't work, try these standard Ubisoft maintenance steps:  How To Fix Unable To Locate Uplay On PC

If you are tired of juggling Steam, Epic, and Ubisoft Connect, you can bypass the third-party launcher entirely (for legal copies only).

Important: This does not crack the game; it simply links the executable directly to Ubisoft Connect.

Note: You may lose Steam overlay and achievements, but the "Unable to Locate Uplay" error will vanish permanently.