Unarc.dll returned an error code: -1.
ERROR: archive data corrupted (decompression fails).
So, check out the following sections for all the details!
What is Unarc.dll or ISDone.dll Error on Windows 11?
2.Under theSystem tabon the left navigation bar, click theAbout optionon the right pane.
2.Go to theLIBRARY tabfrom the above menu bar within the Steam app.
3.In you game library,locate the gamethat is generating the error during installation.
4.Right-punch the gameand select theProperties optionon the context menu.
6.The verification process will then initiate.Wait for it to complete.
7.After the completion of the process,exit the Steam appandrestart your Windows 11 PCor laptop.
Locate the installation filewithin the File Explorer window.
3.While pressing and holding theShiftkey on your keyboard,right-hit the setup file.
4.On the following context menu, select theScan option.
5.Wait for the scanning process to complete.
Now, before we get into it, let us quickly tell you what it actually does.
2.Under theSystem tabon the left navigation bar, tap on theAbout optionat the bottom of the right pane.
3.On the following About page, select theAdvanced system prefs buttonunder theDevice specifications section.
4.Under theAdvanced tabin the following window, click theSettings buttonunder thePerformance section.
6.A new Virtual Memory window will then open up.
Here,uncheck the boxfor theAutomatically manage paging file size for all drives optionabove.
So,choose the drive in which you are trying to drop in the game or applicationon your rig.
8.After choosing your desired drive,tap on the checkmarkfor the theCustom size optionbelow.
10.Once you put in your desired memory sizes within the respective textboxes, click theSet buttonto save the change.
11.Click theOK buttonto exit the Virtual Memory window.
Click theOK button again.
12.Now, in thePerformance Options window, click theApply button.
13.After that, click theOK buttonin thePerformance Optionsand theSystem Properties windowsto close them.
FAQs
What is the Unarc.dll error on Windows 11?
It is an installation error that prevents users from installing a game or an app on their computers.
Why am I getting the Unarc.dll or ISDone.dll error on Windows 11?
There are various underlying reasons that might generate the Unarc.dll or ISDone.dll error on Windows 11 PCs and laptops.
How do I fix an Unarc.dll or ISDone.dll error on Windows 11?
Wrapping Up
So, there you have it!