TGC 2019 Installation Issues FAQ

Possible Installation Errors FAQ

1. Invalid digital signature / Corrupt download


A file that is required cannot be installed because the cabinet file
C:\Users\<YOUR USERNAME>\Appdata\Local\TGCSimulatorSetup\<TGC VERSION NUMBER>\setupfiles\ has an invalid digital signature. This may indicate that the cabinet file is corrupt.


  • Open Windows File explorer and type %localappdata% followed by ENTER.
  • Goto folder: TGCSimulatorSetup\<TGC VERSION NUMBER>\setupfiles 
  • Delete the Data file causing the error message.
  • Restart the setup.
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