Fix ISDone.dll Error Codex Installer Not Working – Are you bothered by the isdone.dll error? Does this error usually occur when you install a large game file on your PC? How to fix codex installer not working?
In this article, we will provide you with 8 methods to fix the isdone.dll error codex that usually appears when you are installing the game.
Cause of the codex isdone.dll error
To provide you with better graphics and experience in today’s popular offline PC games like Call of Duty and Red Dead Redemption, the system will require more storage space to run the program. So sometimes, you won’t be able to install larger game files on your computer due to insufficient space in RAM or hard drive.
In addition, some other factors are also the cause of the codex isdone.dll error on Windows 10. We have summarized them below:
- You should check to see if any errors are happening on your computer’s RAM or drive. Problematic storage devices are also the cause of the Isdone.dll error.
- Some applications and games require the Unarc.dll file to be started properly. If the file is corrupt or missing, you may get an isdone.dll error unarc.dll error-1l error message.
- If something goes wrong with your system files, the game files won’t access your Windows PC. This could lead to an Isdone.dll error.
- To protect your computer from malicious software, sometimes Windows firewalls and antivirus software prevent you from installing games.
- Third-party software or system startup programs may conflict with your settings. For this error, you can launch a clean boot.
Now, let’s see how to fix the isdone.dll missing on Windows 10.
Top 9 ways fix codex isdone.dll error
Increase the amount of virtual memory
Windows Page File or virtual memory is extracted from the hard disk. It can be used to process data that your PC RAM cannot fully process. So, increasing the Page File or virtual memory can save you more RAM and handle Isdone.dll errors.
Here are the steps that allow you to increase Page File or virtual memory:
Step 1: Press the Windows + R key combination to open the RUN dialog box, type “sysdm.cpl” and press Enter to open the System Properties window.
Step 2: In the pop-up window, navigate to the Advanced tab and then click the Settings button in the Performance section.
Step 3: In the Performance Options window, navigate to the Advanced tab and click the Change button in the Virtual memory section.
Step 4: First, uncheck Automatically manage paging file size for all drives. Then, you check the Custom size, you can type the value in Initial size and Maximum size. Finally, click OK.
Tip: For most games, 2.5GB is more than enough. So you can set the value to 400MB to 3000MB (about 2.5GB).
Step 5: Exit the window and restart your computer.
By doing this, you can increase the amount of available memory to install your favourite games without seeing the isdone.dll error.
Check the RAM
As mentioned above, corrupt RAM can lead to a codex isdone.dll error. If you cannot install the game after increasing the memory, you need to check if your RAM is working correctly or not.
To do this, you can use the built-in Windows Memory Diagnostic tool. Besides, you can also use some other third-party tools.
See more: How To Increase Virtual Memory On Windows 10
Fix codex installer not working by Check the hard drive
Checking your hard disk is just as important. Just like RAM errors, hard drive errors can cause Isdone.dll errors on Windows 10. You can follow the steps below to check your hard drive.
Step 1: Right-click the Start button and choose Command Prompt (Admin) from the menu list.
Step 2: In the Command Prompt window, type “chkdsk C: / f” and press Enter.
Don’t forget to replace C with the hard drive letter you want to install the game). In most cases, it is installed on the C drive if you never change the installation path.
Now, the tool will start scanning and fixing all hard drive errors automatically. Then you can try to install the game and check if the isdone.dll error codex has been fixed.
Reinstall the Isdone.dll file
If the Done.dll and Unarc.dll files are damaged or missing, it will probably cause your computer to encounter this problem. Reregistering the system files on your computer will be able to help you to resolve this issue.
Here are the steps to reinstall these DLLs:
Step 1: Open Command Prompt (Admin) as above and then type regsvr32 isdone.dll in the window and press Enter.
Step 2: After performing isdone.dll reinstallation, type regsvr32 unarc.dll and press Enter key to reinstall the unarc.dll file.
Step 3: Restart your computer and try reinstalling your desired game or application to see if fixing unarc.dll error-1l is helpful or not.
Fix isdone.dll error by Run a system file checker
As we also mentioned above, your computer system file is corrupt, which could cause an isdone.dll error. Here, you can run commonly used system file checkers to scan and repair corrupted system files.
Step 1: Open the Command Prompt (Admin) window. Next, type the command “sfc / scannow” in the command prompt and press Enter.
Step 2: Wait a little while for this data scan to be completed and you will need to restart your computer. System errors will be handled automatically until the next boot.
Note: The SFC scan may take approximately 30 minutes. Therefore, please wait patiently and do not interrupt it.
If this command doesn’t work, you can also try running a DISM scan to resolve the isdone.dll error.
Type the command DISM / Online / Cleanup-Image / RestoreHealth in the Command Prompt window and press Enter.
Try to install the game in Safe Mode
In Windows Safe Mode, your computer will only run the necessary programs and software. By starting Safe Mode, you will be able to save extra RAM space and minimize potential conflicts of third-party programs while installing games or apps.
So, installing the game in Safe Mode will help you solve the problem due to the lack of RAM. Here are the steps to enter Safe Mode in Windows 10.
Step 1: Press the Windows + R key combination to open the Run dialog box. Next, type “msconfig” command and press Enter to open the System Configuration window.
Step 2: In the new window, go to the Boot tab and check the Safe boot checkbox.
Step 3: Click OK and the Apply button to save the changes.
Step 4: Restart your computer to enter Safe Mode. Now, you can install the ISDone.dll faulty game to try again.
Fix isdone.dll error by turn off Windows Firewall
Windows Defender Firewall and some third-party antivirus software may also prevent you from installing games. For this case, you can try disabling the firewall temporarily and check if this problem is fixed.
To disable Windows Firewall, here are the steps you need to take:
Step 1: Enter the keyword Windows Defender in the Windows search box and select Windows Defender Firewall from the first most relevant result.
Step 2: Click Turn Windows Defender Firewall on or off on the left-hand panel.
Step 3: In the Settings window, check the Turn off Windows Defender Firewall in both Private and Public network settings and click the OK button.
Step 4: Restart your computer and try to install the game isdone.dll error. If this method didn’t work, you can re-enable Windows Firewall.
If you have another third-party antivirus program installed, you can try uninstalling them temporarily to see if it helps you to resolve this problem. To uninstall antivirus software, you need to follow the two steps below:
Step 1: Right-click on the Start button and select Apps and Features.
Step 2: Search for the antivirus software you want to remove, then right-click on it, select Uninstall, and follow the on-screen instructions to delete the program.
Performing a Clean Boot
Application conflicts can also prevent you from installing games. At this point, you can check which startup program or service is causing the conflict by performing a Clean Boot. Here are the steps:
Step 1: Open the Run dialog box and type “msconfig” and press Enter.
Step 2: In the new window, navigate the Services tab and uncheck the checkbox Hide All Microsoft Services.
Step 3: Click the Disable all button and select Apply to save the changes.
Step 4: Go to the Startup tab and click Open Task Manager.
Step 5: In the Task Manager tab, you need to turn off all programs to cause errors. Once done, close Task Manager and click OK.
Step 6: Restart your computer and try to install your favourite game again.
Adding the file ISDone.Dll
This case applies when the ISDone.Dll file is missing or damaged, you need to download more files to add to the operating system. The steps are as follows:
Step 1: Download the file ISDone.Dll here
Step 2: After downloading to your computer, proceed to extract the file.
Step 3: Press the Windows + R key combination. Copy the path C:\Windows\System32 and Enter.
Step 4: Move the extracted ISDone.Dll file above into this folder.
And now, please check if the codex isdone.dll error is gone.
So you already know how to fix the codex installer not working on Windows 10 as above, right? Do you have success with the above tips or if you still have any other problems while doing so, don’t forget to share with us in the comments below!
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