I experience very similar problem.
Description:
Loaded guard32.dll causes some .NET Framework components to not operate properly.
Steps to Reproduce:
1) install AutoCAD 2008, install CF (Comodo Firewall), set D+ to training mode;
2) launch AutoCAD, when all CF components (drivers, service, guard32.dll, gui) are up and running;
Actual Results:
Cvtres.exe hits 100% CPU usage and stays there forever (see screenshot), until terminated.
Build & Platform & Other security apps:
XP Home SP3 x32 (all latest updates), CF 3.0.24.368 (fresh install without toolbar), CMF 2.0.4.20.
.NET Framework 2.0 SP1 + RUS language pack.
Additional Information:
Preventing guard32.dll from loading in memory at system startup (renaming, deleting) completely solves problem for me. Note that other system and CF settings are unchanged, what make me think it is definitely related to guard32 library.
Most likely, CF 3.0.21 didn't have such problem.
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