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How to Fix Unarc.dll Errors in Windows 10/11

If you get this DLL error message, tweak your registry with our support

5 min. read

Updated onJuly 10, 2024

updated onJuly 10, 2024

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Key notes

Resolve multiple Windows PC issues and speed up your PC effortlessly with specialized software.

Unarc.dll is one of Windows’ DLL (Dynamic Link Library) files that’s needed to run certain programs.

Aunarc.dll cannot be foundorunarc.dll is missingerror message, or something similar might pop up when the unarc file is missing or corrupted.

The exact error messages might vary, but they will all include references to the unarc file. The unarc DLL error code 1, might be due to your antivirus settings. Disable it and check for the problem.

Some users have stated that a unarc.dll error message pops up when they try to install or run games in Windows 10. Consequently, the games don’t run or install when the error occurs.

In this case, the error message you may see states thatAn error occurred when unpacking:archive corrupted! Unarc.dll returned an error code:-7.You can also see some variations of this message

Counter-Strike, Civilization 5, PlayerUnknown’s Battlegrounds, and Far Cry 4 are just a few of the games that require the unarc file.

This is how users can fix unarc.dll error messages in Windows 10.

How do I fix unarc.dll errors?

1. Fix missing DLLs with specialized software

Manually editing DLL files is risky, also some websites where you can download those files can harm your PC with malware and viruses. The safest way to fix DLL errors is to use a3rd party software.

There are various Dynamic Link Library fixer software for Windows 10, designed more specifically for resolving missing DLL error messages.

These utilities typically scan for and restore corrupted and missing DLLs and enable users to download DLL files. The software we tested is safe to use and will fix your DLL errors in no time.

2. Run a System File Checker scan

Note: The System File Checker is one utility that can potentially fix numerous DLL error messages. That utility can repair corrupted DLL system files, such as the unarc.dll.

3. Reinstall the software

When the unarc.dll error message pops up for the specific installed game, reinstalling the game could fix the issue. Reinstalling the software will update the target folder with a missing DLL file.

Users can uninstall games and other software by pressing the Windows key + R hotkey, entering appwiz.cpl in Run, selecting the software to remove on the Programs and Features window, and clickingUninstall.

Thereafter, reinstall the game with its disc or by opening its installer from a folder.

4. Roll back Windows 10 with System Restore

Note: The System Restore utility is a potential resolution for unarc file errors that have come about as a consequence of recent system changes.

System Restore will probably fix a unarc file error if a user can select a restore point that will roll Windows back to a date when they could run the required software without any unarc.dll error message popping up.

5. Scan the registry

Note: A unarc file error can be due to invalid registry entries. So some of the best registry cleaner software might fix unarc.dll error messages. Millions of users utilize CCleaner for registry scans and fixes.

6. Reset Windows 10

Note: As a last resort, you can reset Windows 10. That will effectively reinstall the platform, which will probably restore the unarc file to its original version.

However, you need to reinstall most third-party software that was previously installed after resetting Windows 10.

Those resolutions will probably fix most unarc.dll errors so that you can run or install the required software. Some of the above resolutions might also fix similar DLL error messages that reference other files.

How to Fix Unarc.dll Errors in Windows 10/11#

How do I fix unarc.dll errors?#

1. Fix missing DLLs with specialized software#

2. Run a System File Checker scan#

3. Reinstall the software#

4. Roll back Windows 10 with System Restore#

5. Scan the registry#

6. Reset Windows 10#