How to Troubleshoot “ISDone.dll is Missing” Error on Windows 10

  • The isDone.dll error in Windows 10 is mostly related to the installation of computer games and large programs.
  • Large games or programs contain compressed data that is unpacked on your hard drive during installation.
  • In most cases, the error is caused by a corrupt or inoperable installation file, a clean NTFS application installed on a FAT volume, or an actual missing DLL file.

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The Module Isdone.dll Failed To Load

So you are preparing your first Windows 64-bit image or just dutifully customizing your own machine.  You copy your traditional set of DLLs to the System32 folder and execute regsrv32.exe against them.  To your horror you receive the error “RegSvr32  The module some.dll failed to load.  Make sure the binary is stored at the specified path or debug it to check for problems with the binary or dependent .DLL files.  The specified module could not be found.”  Has your machine gone insane?  The file is plainly there in the System32 folder.  Let’s put it under the microscope.

Isdone.dll Download

During installation, a compressed archive is unpacked using isdone.dll.

A isdone.dll error often happens when a .dll file is missing or faulty. Software often does not run when .dll files are corrupt.

If the isdone.dll file is missing, you should look for the reason for the error. When the .dll files are corrupt, the software often doesn’t work.

There are two major causes of the isDone.dll error in Windows 10. The first is caused by improper installation of computer games and large programs. The second is caused by the installation of large games and large programs causing your computer to run out of memory and your hard drive to fill up quickly.

Unarc Dll

A compressed archive (unarc) is unpacked by unarc.dll.

The error may occur if your computer’s hard drive or memory are not sufficient to process the installation process.

What is missing ISDone.dll?

ISDone.dll is necessary for the successful installation of many different applications, especially graphically demanding applications such as high-end games. This is why the error message “ISDone.dll is missing” usually appears when a computer game installation fails. The “ISDone.dll is missing” error message can have several causes, but in most cases, the error is caused by a corrupt or inoperable installation file, a clean NTFS application installed on a FAT volume, or an actual missing DLL file.

How to resolve the missing ISDone.dll error?

Updated: February 2024

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Isdone Dll Download

If you are experiencing errors related to .dll files, download and install ISDone.dll.

In just a few minutes, you will be able to begin using your PC again without worrying about BSoD errors, slow response times, or similar problems.

Temporarily disable the Windows Defender firewall or antivirus program

  1. The best option is to select Windows Defender Firewall after typing Windows Defender in the search box.
  2. You can enable or disable the Windows Defender Firewall by clicking its tab in the left pane.
  3. Choose “Disable Windows Defender Firewall” in the Private network and Public network settings of the Preferences window. Click OK to confirm.
  4. If you still cannot install the game, try to reboot your computer and try again. The installation will fail if there is an Isdone.dll error. If this doesn’t work, you can re-enable Windows Defender.

Perform a clean boot

  1. By pressing Enter, open the Run dialog box and type MSConfig.
  2. Uncheck Hide all Microsoft services on the Services tab in the new window.
  3. Once you have disabled all, click Save Changes and then click Disable All.
  4. To open the Task Manager, click the Startup tab.
  5. All programs causing the error should be disabled in Task Manager.
  6. Close Task Manager once all programs have been disabled.
  7. Try installing the game again after restarting your computer.

Run the system file checker

  1. Command line window (Admin) should be open.
  2. To scan, press Enter after entering sfc /scannow.
  3. Restart your computer after the scan has completed.
  4. Rebooting will correct the errors automatically.

Increase the amount of virtual memory or swap file

  1. You can open the System Properties window by pressing Win + R, typing sysdm.CPL, and pressing Enter.
  2. Click settings under Performance under the Advanced tab of the pop-up window.
  3. You can edit the Virtual Memory section in the Performance Options window by switching to the Advanced tab.
  4. In the first step, uncheck the box for Automatically manage swap file sizes across all disks.
  5. Enter the increased initial size and maximum size values by selecting the Custom Sizing button.
  6. Now click OK.
  7. Your computer will need to be restarted after you close the window.
  8. It may be possible to install the game effectively if you increase the size of your available memory.

RECOMMENATION: Click here for help with Windows errors.

Frequently Asked Questions

  1. Use a third-party DLL fixer.
  2. Check the system requirements for the game.
  3. Run system file analysis.
  4. Install the game in Windows safe mode.
  5. Expand swap space.
  6. Disable antivirus software.
  7. Turn off the Windows firewall.
  8. Re-register ISDone.

The easiest way to fix a missing DLL file error is to restart your computer. In many cases, there are cache problems that are automatically resolved by rebooting.

That is why the error message "ISDone. dll is missing" error message usually appears when a computer game installation fails. In most cases, the error is caused by a corrupt or inoperable installation file, an NTFS-only application installed on a FAT volume, or an actual missing ISDone.

Isdone.dll error occurs when your computer cannot read installation files. The error is caused because your computer does not have enough memory (RAM / HDD) to hold the installation files in memory.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.