PatchClientDLL::CheckDatFiles Failed. [Unable to decrypt and de-serialize the datadownloaded from the server.]
thrashes the hell out of the hd for about five minutes first though.
and then
Problem signature:
Problem Event Name: InPageError
Error Status Code: c000026e
Faulting Media Type: 00000000
OS Version: 6.0.6002.2.2.0.256.1
Locale ID: 1033
Additional Information 1: c453
Additional Information 2: abcc8f7853b48d9807d6d51eb1fa5df9
Additional Information 3: c453
Additional Information 4: abcc8f7853b48d9807d6d51eb1fa5df9