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Unexpected error

If C-Pen software crashes due to “Unexpected error” or “Object reference not set to an instance of an object” it most likely depend on lack of/wrong versions of one or more of the three 3 Windows dependencies the software rely on. These three dependencies are C++ Redistributables 2005, 2008, and 2010.

To resolve the problem, it´s recommended to manually download and install all three.

Download url’s to Windows dependencies: C-PEN redists

The zip file contains three redists:


If installation of the redistributables fails or C-Pen Core consistently crashes with same error message, try to enable installation logging and retrieve and send the installation log file to [email protected]

Windows 7 | 8:

To enable and collect the Windows 7/8 Installer logs, download Microsoft Fix it 20095 and run it. This Fix it is for Windows 8 and Windows 7 users only.

For more details see: https://support.microsoft.com/

List of installer error codes: http://support2.microsoft.com/kb/290158

Windows XP:

To enable and collect the Windows XP Installer logs, download Microsoft Fix it 50380 and run it. This Fix it is for Windows XP only.

For more details see: http://support2.microsoft.com/kb/223300

To retrieve log files go to the temp folder: write %temp% in File Explorer address field and locate the appropriate log file (search by time stamp).


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