How to Fix Uplay Hasoverlappedoperationcompleted Error
If you are a fan of Ubisoft games, you may have encountered the Uplay Hasoverlappedoperationcompleted error when trying to launch or play some of their titles. This error is caused by a missing or corrupted DLL file called uplay_r1.dll, which is part of the Uplay API that allows communication between the game and the Uplay client. In this article, we will show you how to fix this error and enjoy your Ubisoft games without any hassle.
What is uplay_r1.dll and why is it important?
Uplay_r1.dll is a dynamic link library file that contains functions and data used by the Uplay API. The Uplay API is a software interface that allows Ubisoft games to interact with the Uplay client, which provides features such as achievements, cloud saves, multiplayer matchmaking, and more. Without uplay_r1.dll, the Uplay API cannot function properly and may cause errors such as Uplay Hasoverlappedoperationcompleted.
What causes Uplay Hasoverlappedoperationcompleted error?
The most common cause of Uplay Hasoverlappedoperationcompleted error is a missing or corrupted uplay_r1.dll file. This can happen due to various reasons, such as:
A faulty application that deleted or misplaced uplay_r1.dll
A malicious software that infected or damaged uplay_r1.dll
A damaged Windows registry that contains invalid entries for uplay_r1.dll
A failed or incomplete installation or update of Uplay or Ubisoft games
The error message may vary depending on the game and the system, but it usually looks something like this:
The program can't start because uplay_r1.dll is missing from your computer. Try reinstalling the program to fix this problem.
There was a problem starting uplay_r1.dll. The specified module could not be found.
Error loading uplay_r1.dll. The specified module could not be found.
The code execution cannot proceed because uplay_r1.dll was not found. Reinstalling the program may fix this problem.
Uplay_r1.dll is either not designed to run on Windows or it contains an error.
How to fix Uplay Hasoverlappedoperationcompleted error?
The easiest and most effective way to fix Uplay Hasoverlappedoperationcompleted error is to properly reinstall uplay_r1.dll on your PC, to the Windows system folder or the game/application installation folder. To do this, you can follow these steps:
Download uplay_r1.dll from a reliable source such as DLL-files.com. Make sure you choose the version that matches your system architecture (32-bit or 64-bit) and your game version.
Extract the zip file and copy the uplay_r1.dll file to one of these locations:
C:\\Windows\\System32 (for 32-bit systems)
C:\\Windows\\SysWOW64 (for 64-bit systems)
The game/application installation folder (for example, C:\\Program Files\\Ubisoft\\Watch Dogs 2)
Restart your computer and launch the game or application that caused the error. The error should be gone now.
If reinstalling uplay_r1.dll does not fix the error, you may need to try other solutions such as:
Scan your computer for viruses and malware that may have infected or damaged uplay_r1.dll
Clean your Windows registry using a reputable tool such as CCleaner
Update your Uplay client and Ubisoft games to the latest versions
Reinstall your Uplay client and Ubisoft games completely