Fix ISDone.dll or Unarc.dll Error in Metal Gear Solid Delta: Snake Eater PC (Easy Fix)

Fix ISDone.dll & Unarc.dll Error in Metal Gear Solid Delta: Snake Eater (PC Easy Solution)

If you’re trying to install Metal Gear Solid Delta: Snake Eater on PC and keep seeing “ISDone.dll” or “Unarc.dll returned an error code”, don’t worry — you’re not alone. Many gamers face this problem due to missing DLL files or installation conflicts.

Common Causes of ISDone.dll / Unarc.dll Errors:

Damaged setup files or corrupted archives
Not enough free RAM or pagefile
Missing Microsoft Visual C++ or DirectX
Antivirus blocking certain files during installation

The Solution:

In this post, I’ll guide you through the step-by-step fix to solve both ISDone.dll and Unarc.dll errors permanently. Once you apply these methods, you’ll be able to install and play Metal Gear Solid Delta: Snake Eater without interruptions.

💡 Pro Tip: Always run the setup as administrator and ensure your PC meets the minimum system requirements.