What Can You Do To Resolve The ISDone.dll Error ?

The isdone.dll error is one that sometimes comes up when running or installing games on Win 10. This issue can differ slightly, but it is always comprised within the ISDone.dll dialog window. When it comes up, you cannot run or install the game. The problem is primarily because of the insufficient HDD or RAM storage for a game, but may also be due to corrupted or missing DLL files.

The Causes Of The ISDone.dll Error :

When it comes to DLL issues, they’re typically reasoned by deleted or corrupt keys within the PCs registry, and although your computer will frequently be operational despite said issue(s), the problems it does reason are said to be the system breaking. When it comes to the isdone.dll error, the most common reasons are:

  • The Win registry has been missing or corrupted.
  • RAM (Random Access Memory) is either faulty or insufficient.
  • The Isdone.dll file has been erased or corrupted.

Hardware issues manifest themselves in numerous ways, whether it’s in the form of issues or general system instability. When trying to rectify this issue, you will have to contemplate everything.Solve Win32kfull.sys BSOD Problem

Troubleshooting This Error:

Without wasting much time, let’s have a glance at the solutions that will assist you in fixing this isdone.dll error on the PC.

Fix#1: Increasing The Virtual Memory Or Windows Page File

The Win operating system offers a virtual memory or page file that is utilized when the RAM (Random Access Memory) usage is greatest. If you boost the size of the virtual memory or Win page file, although the computer speed gets slower, it can fix the isdone.dll error. Follow these steps for resolving this Win operating system DLL problem:

  • First, hit the Win + R buttons for opening up the Run dialog box > type in sysdm.cpl for opening the System Properties window.


  • Now, navigate to System Properties > go to the Advanced tab.
  • Click Settings of the Performance section.


  • Then, in that Performance Options window, navigate to Advanced tab.
  • Here, navigate to the Virtual Memory (VM) area > click Change.

performance option

  • Uncheck the option that says something like manage the paging file size automatically for all the drivers.
  • Select Custom size > boost the virtual memory’s size according to the need.

custom size

  • After setting the max and initial size, hit OK.
  • Finally, restart the computer and try to install the game or software again.

Fix#2: Running The SFC (System File Checker) Scan

Corrupt or broken system files can also obstruct the installation of heavy software or games on the computer. That’s why it’s significant to ensure that all your Win system files are in good shape. For that, you can run the SFC (System File Checker) scan, which will ensure that the Win system files are prepared for the installation. For running this scan, follow the steps mentioned below:

  • Open CMD in the Administrative mode by hitting the Win + X buttons. It’ll open a menu, where you’ll need to click Command Prompt (Admin). Then, you will be asked to permit Win 10 to invoke CMD as Admin; permit it by simply hitting Yes.

command prompt

  • The CMD window will open. Here, enter the ‘sfc /scannow’ command > press Enter from the keyboard.


  • This scan will take a little time to finish. Don’t interrupt it and wait till it ends. After that, reboot the system.
  • After the reboot, try installing the software or the game and check if it returned this isdone.dll error message. If the install was done, then simply run the DISM (Deployment Image Servicing and Management) scan.

It’s possible that the SFC (System File Checker) scan was not capable of completely resolving a few corrupt system files. For that, you’ll have to run a Deployment Image and Servicing Management (DISM) Scan. This scan can fix the corrupt system files that did not allow the SFC scan resolve the files totally.

  • For this scan, open CMD in the Administrative mode, as mentioned earlier > type in the ‘DISM /Online /Cleanup-Image /RestoreHealth’ command in CMD window.


  • Let the scan finish. After it is completed, again run the SFC scan as mentioned above.
  • Now, reboot the computer after the SFC scan is done. Then, try installing the software or game, and you’ll most probably be capable of solving this DLL error. If not, move onto the next fix.

Fix#3: Installing Your Game In The Win Safe Mode

Only necessary system services or programs run in the Win Safe Mode. Booting Windows in the Safe Mode frees up Random Access Memory and reduces potential 3rd-party program conflicts with the installer of your game. As such, installing your game in the Safe Mode may fix the isdone.dll error. You can boot Win 10 in the Safe Mode as follows.Solve Unable To Initialize Steam Api

  • Press the Win key + R to open Run.
  • Enter msconfig in the Run dialog box > press enter for opening up the System Configuration window > go to the Boot tab.
  • Then, choose the Safe boot checkbox > the Minimal button.
  • Now, simply click on Apply > OK to save changes.
  • After that, choose Restart for restarting your Win in the Safe Mode.

safe mode

  • Thereafter, install your game that is returning this DLL error message.
  • Keep in mind to deselect Safe boot before restarting the Windows.

Fix#4: Registering The unArc.dll And ISDone.dll Files Again

It may be the case that the unArc.dll and isdone.dll files have to be registered again on the computer. Registering The DLL files again can assist you in fixing this isdone.dll error. It’s a quite simple procedure and can be done in a couple of steps. Here is how you can register these DLL files again:

  • Here, you’ll have to run the CMD in the Admin mode. For that, hit Win + X buttons > from the opened menu, click CMD (Admin).
  • In the CMD window, enter the ‘regsvr32 isdone.dll’ command > hit Enter for registering the isDone.dll file again.

regsvr32 isdone.dll

  • After that, enter the ‘regsvr32 unarc.dll’ command > hit Enter for registering the unArc.dll file again.

regsvr32 unarc.dll

After running both of the above-mentioned commands, reboot the computer, and then try installing the software or game again. If this fix did not work with the Win 10 DLL error, then try the next fix.

Fix#5: Turning Off The Antivirus Program

The antivirus program may block a few games from installing. So disabling such 3rd-party antivirus may also resolve this isdone.dll error message. A lot of antivirus tools comprise a turn-off or disable option on their context menus with which you can turn them off temporarily. The Win Safe Mode may also disable such 3rd-party antivirus programs.

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