AppName: arccatalog.exe AppVer: ModName: itircl.dll

Last Published: April 25, 2020

Error Message

When in ArcCatalog > Help > ArcGIS Desktop Help > Index tab > an error message appears:

"AppName: arccatalog.exe AppVer: ModName: itircl.dll
ModVer: 5.2.3790.80 Offset: 0000800a"

and this is followed by the application crashing.


This is a known issue.

Solution or Workaround

Follow the commands listed below to register the file itircl.dll:
  1. Open up a DOS Window by going to
    Start --> Run.
  2. Type cmd in the text window.
  3. Type:
    cd c:\winnt\system32
  4. Register itircl.dll by typing:
    regsvr32 itircl.dll

Article ID:000007071

  • ArcMap 9 x

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