Quick Troubleshooting Guide for IronPDF

For general function issues, please try the following suggestions:

  1. Please ensure that you have the latest version 2015-2022 of Microsoft Visual C++ Redistributable for Visual Studio installed on your target machines. Microsoft Visual C++ Redistributable latest supported downloads
  2. x86 machines requires x86 only
  3. x64 machines require both x86 and x64
  4. Ensure Full Control permissions are applied for the following users to your system default temp folder (on Windows, this is normally /windows/temp): https://ironpdf.com/how-to/installation/
    • AppPool identify/IIS User (typically IUSER)
    • NetworkService
    • ASPNET (where applicable)
  5. Set a new Installation.TempFolderPath in a new directory outside of Program Files, Temp, Users to the users listed in step #2: Set Temp PDF File Path
  6. Clean the project and remove dependences:
    • Wipe all Windows temp files and cache folders on your development and servers
    • Remove all traces of the project and DLLs
    • Manually delete IronPdf from the temp folder or the specified Installation.TempFolderPath
    • Uninstall the library, including ticking the Remove dependencies tick-box
  7. Clear NuGet cache:
    • Manually remove the NuGet cache from this location: (%userprofile%. nuget\packages).
    • Clear the cache automatically through Visual Studio by choosing the following option: Go to Tools > NuGet Package Manager > General, and then click Clear All NuGet Cache(s). Clearing All NuGet Caches Automatically.

If this does not help to resolve the issue, please see here for information regarding requesting assistance from our team of engineers: