| | Likely Cause | Solution | |-----------|------------------|----------------| | Installer fails with “Missing prerequisites” | .NET Framework or VC++ Redistributable not present offline | Download the required redistributables offline (e.g., .NET Desktop Runtime) and install first. | | “The installer was interrupted before completion” | Corrupted download or insufficient disk space | Verify SHA-256 checksum. Clear temp files. Ensure at least 500 MB free. | | Old version remains after installation | Windows Installer caching issue | Use msiexec /x ProductCode to force full removal first. | | Visual Studio extension not updated | VSIX package did not install | Manually install the VSIX from C:\Program Files (x86)\Telerik\JustDecompile\Extensions\ | | Plugin for Reflector or ILSpy is missing | Offline installer excludes optional components | Re-run installer, select “Custom” and tick all desired components. |

Click the appropriate link to download the installer.

JustDecompile distinguishes itself through a suite of features designed to recover lost work and analyze third-party code:

Offline installers allow for software deployment on secure servers or workstations that lack direct internet access.