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Problem

Solution

Tools Make sure the trust level for identifying the reason for this error.

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1. at command line prompt running as administrator: IISReset

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the web application is "Full".

For example, for Adams Admin:

IIS > Server > Sites > Default Web Site > Adams Admin > .NET Trust Levels > Full

Select Apply

Uninstalling and reinstalling Adams Admin will set the trust level back to the Default Web Site's level.  Therefore, if possible, set the Default Web Site's level to "Full" as well.

Other tools that help when an assembly cannot be loaded.

1. Fuslogvw - shows where assemblies are found during the load process
2. Process Monitor - helps find missing dependencies
   1. Filters:
      1. Process Name = w3wp.exe
      2. Path ends with <name of dll>
   2. Helpful article
3. Security Policies for application pool user and machine
   1. Local Security Policy
   2. gpresult /s localhost /z
   Memory and processor available
4. Process Explorer - shows assemblies loaded for a process
   1. View > Select columns > Process Image > User Name
   2. View > Select columns > .NET > Assemblies
   3. Select w3wp.exe process > right click > Properties > .NET Assemblies

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