I'm having a similar issue on Server 2003 with SQL 2000 installed
Server Error in '/lansweeper32' Application.
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Configuration Error
Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately.
Parser Error Message: An error occurred loading a configuration file: Access to the path 'C:\Program Files\lansweeper32\website\web.config' is denied.
Source Error:
[No relevant source lines]
Source File: C:\Program Files\lansweeper32\website\web.config Line: 0
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Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42
The system itself appears to be working as the GUIConsole brings up info on all computers scanned so far but the web console is simply nonfunctioning and I can't seem to find any relevant information at all in the documentation.