How To Fix Uplayr1loader64dll Error In Assassin 39s Creed Unity Work Jun 2026

In most cases, your antivirus (especially Windows Defender) has moved the file to quarantine. Open and select Virus & threat protection . Click on Protection history .

or Malwarebytes) protection history. If the file is listed as a threat, select and then add the game folder to your software's exclusion/whitelist to prevent it from being deleted again. Locate the "NoDVD" Folder

any lingering cache folders left behind in C:\Program Files (x86)\Ubisoft .

Navigate to your game installation folder (e.g., Assassin's Creed - Unity ). Look for a folder named , 3DM , or SKIDROW . In most cases, your antivirus (especially Windows Defender)

Extract and copy the file into the installation folder.

If you own the legitimate game through an official platform, structural file corruption is causing the application breakdown. Do not download standalone DLLs from sketchy third-party sites; let the launchers fix it natively. For Ubisoft Connect Launch the desktop client.

Add the game folder to your antivirus so it doesn't delete the file again. Verify Game Files or Malwarebytes) protection history

A: This means your antivirus is automatically quarantining the file again. You need to add the entire Assassin's Creed Unity installation folder to your antivirus's "Exclusions" or "Whitelist." This will tell the antivirus to ignore that specific folder and its contents.

to return the file to its native directory.

the missing file from a reputable source like DLL-files.com . Extract the .zip file. Navigate to your game installation folder (e

He saw a folder named cache . Sometimes, old data gets stuck here. He deleted the contents of the cache folder (not the folder itself).

"You idiot," Elias whispered affectionately to his computer. The antivirus had eaten the file he needed.