What is uplay_r1_loader64.dll and How to Fix It?
If you are a fan of Ubisoft games, you may have encountered an error related to uplay_r1_loader64.dll. This file is a dynamic link library (DLL) that is part of Uplay, Ubisoft's digital distribution platform. It is responsible for loading and initializing the Uplay API for 64-bit games, such as Far Cry, Assassin's Creed, Watch Dogs, and more. Without this file, you may not be able to launch or play these games properly.
uplay_r1_loader64.dll
In this article, we will explain what uplay_r1_loader64.dll is, why it is important for Uplay and Ubisoft games, what are some common errors related to it, and how to fix them. By following our guide, you will be able to enjoy your favorite Ubisoft games without any hassle.
Causes of uplay_r1_loader64.dll Errors
There are several possible causes of uplay_r1_loader64.dll errors, such as:
Missing or corrupted uplay_r1_loader64.dll file: This can happen if you accidentally delete or move the file, if it gets overwritten by another program, or if it gets corrupted by malicious software.
Outdated or incompatible Uplay version: This can happen if you have an older version of Uplay that does not support the latest Ubisoft games, or if you have a version that is not compatible with your operating system or hardware.
Insufficient permissions or administrator rights: This can happen if you do not have the proper permissions or administrator rights to access or modify the file, or if Uplay is blocked by your firewall or antivirus software.
Malware or virus infection: This can happen if your computer is infected by malware or viruses that can damage or alter the file, or prevent it from functioning properly.
Depending on the cause of the error, you may see different error messages, such as:
The program can't start because uplay_r1_loader64.dll is missing from your computer. Try reinstalling the program to fix this problem.
There was a problem starting uplay_r1_loader64.dll. The specified module could not be found.
Error loading uplay_r1_loader64.dll. The specified module could not be found.
The code execution cannot proceed because uplay_r1_loader64.dll was not found. Reinstalling the program may fix this problem.
uplay_r1_loader64.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vendor for support.
These error messages can appear when you try to launch Uplay or a Ubisoft game, or when you are playing a game and it crashes unexpectedly. They can be very frustrating and prevent you from enjoying your gaming experience. Fortunately, there are some solutions that you can try to fix these errors and restore the functionality of uplay_r1_loader64.dll.
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Solutions for uplay_r1_loader64.dll Errors
Here are some solutions that you can try to fix uplay_r1_loader64.dll errors. You do not have to try them all; just work your way down the list until you find the one that works for you.
Check if the file exists and reinstall Uplay
The first thing you should do is to check if the uplay_r1_loader64.dll file exists on your computer and if it is in the right location. To do this, follow these steps:
Open File Explorer and navigate to the folder where Uplay is installed. By default, it should be C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher.
Look for the file named uplay_r1_loader64.dll. If you see it, right-click on it and select Properties. Check the file size and the date modified. If the file size is 0 KB or the date modified is very old, it means that the file is corrupted or outdated.
If you do not see the file, it means that it is missing or deleted. In either case, you need to reinstall Uplay to get a fresh copy of the file.
To reinstall Uplay, follow these steps:
Go to and click on Download Uplay for PC.
Run the installer and follow the on-screen instructions to install Uplay on your computer.
Launch Uplay and log in with your Ubisoft account.
Check if the uplay_r1_loader64.dll error is resolved.
This solution can help to fix the problem because it can replace the missing or corrupted uplay_r1_loader64.dll file with a new one that is compatible with your system and games.
Update Uplay to the latest version
Another possible solution is to update Uplay to the latest version. This can help to fix the problem because it can ensure that you have the most recent features and bug fixes for Uplay and Ubisoft games. To update Uplay, follow these steps:
Launch Uplay and log in with your Ubisoft account.
Click on the Menu icon in the top left corner and select Settings.
Under General, make sure that Always keep Uplay updated is checked.
If there is an update available, Uplay will automatically download and install it for you.
Restart Uplay and check if the uplay_r1_loader64.dll error is resolved.
Run Uplay as administrator
Sometimes, uplay_r1_loader64.dll errors can occur because you do not have enough permissions or administrator rights to access or modify the file. To fix this, you can try running Uplay as administrator. This can help to fix the problem because it can grant Uplay full access to the file and prevent any interference from other programs or security software. To run Uplay as administrator, follow these steps:
Right-click on the Uplay shortcut on your desktop and select Properties.
Under Compatibility, check Run this program as an administrator.
Click Apply and OK.
Double-click on the Uplay shortcut to launch it as administrator.
Check if the uplay_r1_loader64.dll error is resolved.
Perform a clean install of Uplay
If none of the above solutions work, you may need to perform a clean install of Uplay. This means that you have to uninstall Uplay completely from your computer and delete any leftover files or registry entries that may cause conflicts or errors. Then, you have to reinstall Uplay from scratch. This can help to fix the problem because it can remove any corrupted or outdated components of Uplay and replace them with fresh ones that are compatible with your system and games. To perform a clean install of Uplay, follow these steps:
Go to Control Panel and select Programs and Features.
Find Uplay in the list of programs and click Uninstall.
Follow the on-screen instructions to uninstall Uplay from your computer.
Open File Explorer and navigate to the folder where Uplay was installed. By default, it should be C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher.
Delete the entire folder and empty the Recycle Bin.
Open the Run dialog box by pressing Windows + R keys.
Type regedit and click OK to open the Registry Editor.
Backup your registry by clicking File and Export. Save the backup file to a safe location.
Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Ubisoft and delete the Ubisoft Game Launcher folder.
Navigate to HKEY_CURRENT_USER\Software\Ubisoft and delete the Ubisoft Game Launcher folder.
Close the Registry Editor and restart your computer.
Go to and click on Download Uplay for PC.
Run the installer and follow the on-screen instructions to install Uplay on your computer.
Launch Uplay and log in with your Ubisoft account.
Check if the uplay_r1_loader64.dll error is resolved.
Check for malware or virus infection
The last possible solution is to check for malware or virus infection on your computer. This can help to fix the problem because it can remove any malicious software that may damage or alter the uplay_r1_loader64.dll file, or prevent it from functioning properly. To check for malware or virus infection, follow these steps:
Download and install a reputable anti-virus software, such as .
Run a full scan of your computer and wait for the results.
If any malware or virus is detected, follow the instructions to remove them from your computer.
Restart your computer and check if the uplay_r1_loader64.dll error is resolved.
Conclusion
In this article, we have explained what uplay_r1_loader64.dll is, why it is important for Uplay and Ubisoft games, what are some common errors related to it, and how to fix them. We have provided you with five solutions that you can try to fix uplay_r1_loader64.dll errors, such as checking if the file exists and reinstalling Uplay, updating Uplay to the latest version, running Uplay as administrator, performing a clean install of Uplay, and checking for malware or virus infection. By following our guide, you should be able to enjoy your favorite Ubisoft games without any hassle.
However, if none of these solutions work for you, or if you have any other questions or feedback, please feel free to contact us. We are always happy to hear from you and help you with any issues you may have. Thank you for reading our article and happy gaming!
Frequently Asked Questions
What is a DLL file?
A DLL file is a dynamic link library file that contains code, data, or resources that can be used by multiple programs or processes. DLL files can help to reduce memory usage, improve performance, and enable modularity and reuse of code.
How do I register a DLL file?
To register a DLL file, you need to use the regsvr32 command in the Command Prompt. To do this, follow these steps:
Open the Command Prompt as administrator by pressing Windows + X keys and selecting Command Prompt (Admin).
Type regsvr32 followed by the path and name of the DLL file. For example, regsvr32 C:\Windows\System32\example.dll.
Press Enter and wait for the confirmation message that says "DllRegisterServer in example.dll succeeded."
How do I unregister a DLL file?
To unregister a DLL file, you need to use the regsvr32 command with the /u switch in the Command Prompt. To do this, follow these steps:
Open the Command Prompt as administrator by pressing Windows + X keys and selecting Command Prompt (Admin).
Type regsvr32 /u followed by the path and name of the DLL file. For example, regsvr32 /u C:\Windows\System32\example.dll.
Press Enter and wait for the confirmation message that says "DllUnregisterServer in example.dll succeeded."
How do I fix a DLL file not found error?
To fix a DLL file not found error, you need to locate the missing DLL file and copy it to the appropriate folder. To do this, follow these steps:
Search for the name of the DLL file on the internet and download it from a reliable source.
Copy the downloaded DLL file to the folder where the program or process that needs it is located. For example, if you need the DLL file for Uplay, copy it to C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher.
If that does not work, copy the DLL file to the Windows System folder. For 32-bit Windows, it is C:\Windows\System32. For 64-bit Windows, it is C:\Windows\SysWOW64.
Restart your computer and check if the error is resolved.
How do I fix a DLL file not designed to run on Windows error?
To fix a DLL file not designed to run on Windows error, you need to check if the DLL file is compatible with your operating system and hardware. To do this, follow these steps:
Right-click on the DLL file and select Properties.
Under Compatibility, check if the file is compatible with your Windows version. If not, you may need to download a different version of the DLL file that matches your system.
Under Details, check if the file is 32-bit or 64-bit. If it does not match your system type, you may need to download a different version of the DLL file that matches your system.
If you have downloaded the correct version of the DLL file, but you still get the error, you may need to run the program or process that needs it in compatibility mode. To do this, right-click on the program or process shortcut and select Properties. Under Compatibility, check Run this program in compatibility mode for and select a previous version of Windows that may work with the DLL file.
Restart your computer and check if the error is resolved.
How do I prevent uplay_r1_loader64.dll errors in the future?
To prevent uplay_r1_loader64.dll errors in the future, you can follow some tips or recommendations, such as:
Keep Uplay and Ubisoft games updated to the latest versions.
Do not delete or move uplay_r1_loader64.dll or any other Uplay files without proper instructions.
Run Uplay and Ubisoft games as administrator or with sufficient permissions.
Avoid downloading or installing suspicious or unverified programs or files that may contain malware or viruses.
Scan your computer regularly with a reputable anti-virus software and remove any threats detected.
Backup your important files and data regularly and create a system restore point before making any changes to your system.
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