If you get an error, try regsvr32 unarc.dll as well, as these two files work in tandem. Step 3: Increase Your Virtual Memory (Paging File)
While many sites offer direct downloads for DLL files, and can be risky if the source isn't verified. However, if you need a fresh copy: Trustworthy Sources: Use reputable DLL archive sites.
The most common cause of the ISDone.dll error is a lack of RAM during the extraction process. You can fix this by increasing your Virtual Memory: Open > System and Security > System . download isdonedll 64 bit windows 10 upd
How to Fix ISDone.dll Errors: Download and Install for 64-bit Windows 10
The file is a dynamic link library used by the Inno Setup engine and other installers to expand and extract compressed data. When the installer cannot properly decompress these files—due to memory issues, corrupted files, or security interference—it throws an error message, often accompanied by "Unarc.dll." Step 1: Where to Download ISDone.dll for 64-bit Windows 10 If you get an error, try regsvr32 unarc
Antivirus software often flags the decompression process as "suspicious behavior," blocking the DLL from functioning.
Ensure you download the 64-bit version specifically for Windows 10/11. The most common cause of the ISDone
Note: Remember to turn it back on once the game is installed. Step 5: Check Your RAM for Errors
in Windows Security before starting the installation.
If errors are found, you may need to reseat your RAM or replace a module.