How to Fix ISDone.dll Error on Windows 11/10

The isDone.dll problem in Windows 10 or Windows 11 could be caused by the installation of large apps or PC games. Large games or apps may have data that is compressed and then unpacked when they are installed on your hard drive. This takes up space on your hard drive and RAM. During installation, your computer may show this error if it doesn’t have enough memory on the RAM or hard drive to do the job.

Before you try to fix this error, you need to do this one thing. Check your PC’s settings to see if the game or software you want to install will work with them. Every game and piece of software has a minimum PC configuration that it needs to run. You can find out the same thing if you Google the name of the game plus “system requirements.” If your PC’s specs aren’t as good as they need to be, it’s not hard to see why you’re getting the isDone.dll error. We have mentioned steps below to Fix ISDone.dll Error on Windows 11/10.

Ways to Fix ISDone.dll Error on Windows 11/10

Install the Game in Safe Mode

Windows Safe Mode runs your computer with only the most essential system programs and services. Starting Windows in Safe Mode allows you to save more RAM space and minimize possible conflicts with third-party programs when installing games or applications. Thus, installing the game in safe mode could fix the error caused by insufficient RAM memory. Here’s how to enable safe mode in Windows 10.

Troubleshoot Isdone.dll Error in Clean Boot

1. Open the Run box, type msconfig and press Enter.
2. In the new window, navigate to the Services tab and uncheck the Hide all Microsoft services checkbox.
3. Then click the Disable All button and Apply to save the change.
4. Go to the Startup tab and click Open Task Manager.
5. On the Task Manager tab, you need to disable all the programs that might cause the error. After disabling all the programs, close Task Manager and click OK.
6. Now restart your computer and try to install the game.

Turn off Windows Defender Firewall

1. Type Windows Defender in the search box and select Windows Defender Firewall as the best match.
2. In the left pane, click the Turn Windows Defender Firewall On or Off tab.
3.  In the Settings window, select the Turn off Windows Defender Firewall check box in both the private and public network settings. Then click OK.
4. Restart your computer and try to install the video game that comes back with the Isdone.dll error code. If this method does not work, you can turn on Windows Defender Firewall again.

Re-register the Isdone.dll File

1. Open the command prompt (admin). Then type the regsvr32 isdone.dll command at the extended command prompt and press Enter.
2. After you re-register the isdone.dll file, type the regsvr32 unarc.dll command and press Enter to re-register the unarc.dll file.
3. Restart your computer, try to install the game or application and see if it is useful to fix the isdone.dll error unarc.dll error-1l.

Increase the Space of Your Hard Drive

1. Start this programme up to see its main screen. Then, choose the partition you want to extend and click the Move/Resize Partition button on the left side of the window.
2. Drag the handle to the right in the pop-up window to make more space on the hard drive. You can also move the handle for the whole partition to change where it is. Click OK when you’re done.
3. Click the Apply button in the upper right corner to put the change into effect.

What causes the ISDone dll error

When trying to install software, installers use ISDone.dll to open up compressed archives. This is very important if you want the software installation to go smoothly and be done right. So, you need to have the ISDone.dll file on your PC so that games and other programmes don’t have trouble installing. The main reason you’re getting an ISDone.dll error is that your computer doesn’t have enough memory to run the game you’re trying to install. This could be because your RAM, hard drive, or both do not have enough space for the game. But it could also be caused by damaged DLL files, which you can fix with a special programme called a DLL fixer. Lastly, the ISDone.dll error can be caused by third-party apps that use up memory that is needed by other apps.

Final Words

Most of the time, installing PC games or large programmes causes the isDone.dll error in Windows 10 or Windows 11. Large games or programmes have data that is compressed. When you install them, your hard drive unpacks the data. This uses up both RAM and hard drive space on your computer. We hope our article on “How to Fix ISDone.dll Error on Windows 11/10” will surely help you to do so. You can get more help at the Microsoft Support Center.