Important This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry

When you start Microsoft Word, you receive one of the following error messages:

There is not enough disk space to run Word


Out of memory


Unhandled exception: c0000005 at address 10016b8

If you click OK to acknowledge the unhandled exception error message, you receive an error message similar to the following:

This program has encountered a problem and needs to close. App name: stgmontr.exe; mod name: pgsdk.dll


This issue may occur if the DelFin Media Viewer program is installed on your computer.


WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To resolve this issue, follow these steps:

  1. Remove the DelFin Media Viewer program from your computer. To do so, follow these steps:

    1. Click Start, click Control Panel, and then click Add or Remove Programs.

    2. Under Currently installed programs, click DelFin Media Viewer, and then click Remove.

  2. Edit the registry to remove the DelFin Media Viewer registry value (if it exists). To do so, follow these steps:

    1. Click Start, and then click Run.

    2. In the Open box, type regedit, and then click OK.

    3. Locate and click the Run registry key in the following location:


    4. In the right pane, delete the Pgmonitr.exe string value. It may be listed as DelFin Media Viewer or as PromulGate in the Name list.

    5. Quit Registry Editor.


  3. Restart your computer.

More Information

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

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