#5 Problems when starting a new project in .NET 2003

[Anonymous]

A fatal error occurred in the program 'HTML Help'.

Please help the developer fix this issue by logging on
the project website on SourceForge.net and submitting a
new bug report. A link to 'Bugs' can be found at the
following website:
http://sourceforge.net/projects/htmlhelpvsaddin/.
In order to provide the maximum data to the developer,
please answer the bolded question(s) below and paste
all the text in this window into the detailed
description section of the bug report.

DESCRIBE WHAT LED UP TO THE ERROR:

Application: HTML Help
App Version: 0.3.0.0
When Occurred: 13 01 06 06:nn:54
Operating System: WinXP
Logged in as: Sebastian
Logged on to: NIMVA
Source: mscorlib
Message: ?
Full Error: System.ArgumentException: ?
at System.IO.Path.nGetFullPathHelper(String path,
Char[] invalidPathChars, Char[] whitespaceChars, Char
directorySeparator, Char altDirectorySeparator, Char
volumeSeparator, Boolean fullCheck, String& newPath)
at System.IO.Path.GetFullPathInternal(String path)
at System.IO.FileInfo..ctor(String fileName)
at HTMLHelp.mdlMain.ReturnPathFromFilePath(String
FilePath, Boolean ReturnWithFinalSlash)