Running Vista Ultimate x64 and a GTX 260 But I dont belive it it to be a hardware issue as it its giving a system unauthorized access. Posted on the GWL forums but no real responce. Any help would be appreciated. Description: Stopped working Problem signature: Problem Event Name: CLR20r3 Problem Signature 01: gfwlclient.exe Problem Signature 02: 1.0.0.0 Problem Signature 03: 492ba6ee Problem Signature 04: XLiveServices Problem Signature 05: 1.0.0.0 Problem Signature 06: 492ba6e8 Problem Signature 07: 1c5 Problem Signature 08: 28 Problem Signature 09: System.UnauthorizedAccess OS Version: 6.0.6001.2.1.0.256.1 Locale ID: 1033