Unable to Read File (file name). API has been invalidated or closed.


When user attempts to view documents from within the PaperVision viewer using thin client the error is displayed: Unable to Read File (name). API has been invalidated or closed.



In later Windows platforms (i.e. Windows 7, Windows Vista, Windows Server 2008) the UAC was implemented as a security feature that could control individual user accounts. When running an installation of PaperVision Enterprise with this enabled, it creates the PVDM.INI file in a “Compatibility File” location. In addition PaperVision will not recognize this location when trying to find the File Cache Path or URL Cache Path.

To resolve this follow the steps below:

  1. Ensure the File Cache Path and URL cache are set to proper locations within the PVE Admin Console.
  2. After that has been verified, you will need to navigate to C:\Program Files\Digitech Systems\Common Files\ directory.
  3. Highlight the file and then click the “Compatibility File” located underneath the browser bar.
  4. Copy and paste this PVDM.INI file into the C:\Program Files\Digitech Systems\Common Files\ directory.
  5. Be sure to rename the already existing PVDM.INI, in case additional modifications are needed.

Note: Newer versions of PaperVision Enterprise will properly negotiate User Access Controls to avoid virtualization of the PVDM.INI file.

Filed under PaperVision® Enterprise, R69.1

Last modified Apr 13, 2010

Submitted Apr 13, 2010

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