'Standard Error 76 ... Could not find a part of the path...' when launching Controller

Technote (troubleshooting)


User launches Controller. User chooses database, and enters their username/password. User clicks OK, and receives an error. After clicking OK (to acknowlege the error) the Controller client appears.



Standard Error
Number: 76
Source: mscorlib
Description: Could not find a part of the path 'C:\Users\USERNAME\AppData\Roaming\Cognos\CCR\USERdatabasename'.
at Microsoft.VisualBasic.ErrObject.Raise(Int32 Number, Object
Source, Object Description ...


There are several possible causes for similar errors.

  • TIP: For more examples, see separate IBM Technote #1642447.

This Technote specifically relates to the scenario where the cause is invalid cache files inside the end user's profile.

More Information
By default, Controller stores cache files inside the folder %APPDATA%\Cognos\CCR. These cache files can potentially become invalid/corrupt if the Controller client crashes unexpectedly (for example, the user received an error the last time that they used Controller).

Resolving the problem

Delete local cache files on client device.


  1. Launch Controller
  2. Acknowledge error message, and continue into the main Controller client
  3. Click "Maintain - Special Utilities - Clear Local Cache'.

Related information

1642447 - ** Troubleshooting ** "Standard Error 76 ...

Document information

More support for:

Cognos Controller

Software version:


Operating system(s):


Reference #:


Modified date:


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