Here is the event log crash entry:
Faulting application devenv.exe, version 8.0.50727.762, time stamp 0x45716759, faulting module craxddrt.dll_unloaded, version 0.0.0.0,
time stamp 0x43068582, exception code 0xc0000005, fault offset 0x0d26e30f, process id 0x1180, application start time 0x01c75cae13960a41.
it would crash completely randomly, even if i had closed all crystal reports and was working in a style sheet or other such harmless file. As i later found out, it was because the solution opened by default with the last crystal report i was working on, and this seemed to start some crystal report ActiveX thing that craps out on Vista. sometimes it would take 2 minutes and sometimes 5 minutes, but it would always crash, even if i closed the report straight away. The only way to get rid of it was to load up VS, close the report immediately and safely close VS before it got a chance to crash! then next time it opens, there is no crystal report and the ActiveX control never loads. it works ok now, although this is just one of a long list of complaints i have with VS 2005. i think i'm allergic to crystal reports.