Just thought I would report a bug I discovered. I was constantly getting an error message whenever I would exit out of games in windowed mode. I narrowed it down to the RTSS. More specifically, the Raster 3D rendering option. Here is an example error from after I closed down the game iRacing: Code: Log Name: Application Source: Application Error Date: 4/24/2014 6:04:00 PM Event ID: 1000 Task Category: (100) Level: Error Keywords: Classic User: N/A Computer: Zone15 Description: Faulting application name: iRacingSim64.exe, version: 2.11.1.8, time stamp: 0x53555a5b Faulting module name: d3d9.dll_unloaded, version: 6.3.9600.16404, time stamp: 0x523449cf Exception code: 0xc0000005 Fault offset: 0x0000000000015952 Faulting process id: 0x2014 Faulting application start time: 0x01cf6009129d178f Faulting application path: Z:\Program Files (x86)\iRacing\iRacingSim64.exe Faulting module path: d3d9.dll Report Id: 5696b88c-cbfc-11e3-82c0-5404a63d4286 Faulting package full name: Faulting package-relative application ID: Event Xml: <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Application Error" /> <EventID Qualifiers="0">1000</EventID> <Level>2</Level> <Task>100</Task> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2014-04-24T22:04:00.000000000Z" /> <EventRecordID>11039</EventRecordID> <Channel>Application</Channel> <Computer>Zone15</Computer> <Security /> </System> <EventData> <Data>iRacingSim64.exe</Data> <Data>2.11.1.8</Data> <Data>53555a5b</Data> <Data>d3d9.dll_unloaded</Data> <Data>6.3.9600.16404</Data> <Data>523449cf</Data> <Data>c0000005</Data> <Data>0000000000015952</Data> <Data>2014</Data> <Data>01cf6009129d178f</Data> <Data>Z:\Program Files (x86)\iRacing\iRacingSim64.exe</Data> <Data>d3d9.dll</Data> <Data>5696b88c-cbfc-11e3-82c0-5404a63d4286</Data> <Data> </Data> <Data> </Data> </EventData> </Event> I was able to fix the problem by uninstalling RTSS 6.1.0 and going back to RTSS 6.0.0. The bug was something that changed from 6.0.0 to 6.1.0.