Isdone.dll Download Windows 7 64 Bit [verified] May 2026

Before you rush to search for "isdone.dll download windows 7 64 bit," stop. This article will explain what isdone.dll is, why the error occurs on Windows 7 64-bit, and—most importantly—how to fix it without compromising your system's security. What is IsDone.dll? IsDone.dll is not a standard Microsoft Windows system file. Instead, it is a dynamic link library associated with Inno Setup , a popular free installer for Windows programs. Many game repackers (like FitGirl, RG Mechanics, and others) use an extended version of Inno Setup that relies on isdone.dll to unpack and install large compressed files.

If you are a Windows 7 64-bit user who frequently installs large applications, video games, or repacked software, you have likely encountered the dreaded isdone.dll error. This error typically appears as a pop-up box with the message: "An error occurred while unpacking: Unable to execute file in the temporary directory. Setup aborted." or simply "isdone.dll" in the error header. isdone.dll download windows 7 64 bit