Question : Exchange 2010 System.BadImageFormatException

Please Help, im desperate...

Server 2008 R2 x64
Exchange 2010 Standard

After a reboot almost none of the Exchange Services will start, all of the just keep giving the same error message "Unhandled Exception in System.BadImageFormatException"

Everything has been running fine until this reboot,

The only things that have been installed are a couple of exchange sdk's

I'm really stuck and the the server is a critical part of the business i work for

Help.......

Answer : Exchange 2010 System.BadImageFormatException

unfortunately the mailboxes were not in cached mode, BUT THEY ARE NOW!!! ha ha