Hi Jrm,
Most of crashes are at ATI display card driver. Probably it is the hardware error of your ATI video card. One crash maybe related to overheat and what is the temperature of your CPU?
Debug report
Mini102005-13.dmp BugCheck 10000050, {9d6ebbab, 1, 80567682, 0}
Mini102005-13.dmp Probably caused by : ntoskrnl.exe ( nt!CmpParseKey+10d )
Mini102005-09.dmp BugCheck 1000008E, {c0000005, bf9e366a, 9c159104, 0}
Mini102005-09.dmp Probably caused by : ati2dvag.dll ( ati2dvag+1066a )
Mini102005-10.dmp BugCheck 9C, {0, 8054d370, c4204000, 136}
Mini102005-10.dmp Probably caused by : ntoskrnl.exe ( nt!KdPitchDebugger+ef4 )
Mini102005-11.dmp BugCheck 1000008E, {c0000005, bf9e366a, 9d641044, 0}
Mini102005-11.dmp Probably caused by : ati2dvag.dll ( ati2dvag+1066a )
Mini102005-12.dmp BugCheck 1000008E, {c0000005, bf9e366a, b8b7e044, 0}
Mini102005-12.dmp Probably caused by : ati2dvag.dll ( ati2dvag+1066a )
Mini102005-14.dmp BugCheck 1000008E, {c0000005, 34788d1, 9d2c4068, 0}
Mini102005-14.dmp Probably caused by : ati2dvag.dll ( ati2dvag+e06a )
Mini102005-15.dmp BugCheck 9C, {0, 8054d370, c43ac000, 136}
Mini102005-15.dmp Probably caused by : ntoskrnl.exe ( nt!KdPitchDebugger+ef4 )
Mini102005-16.dmp BugCheck 1000008E, {c0000005, a13aec24, 8897bba0, 0}
Mini102005-16.dmp Probably caused by : savrt.sys ( savrt+24c24 )
Mini102005-17.dmp BugCheck 1000008E, {c0000005, a23ba490, 88a114e8, 0}
Mini102005-17.dmp Probably caused by : navex15.sys ( navex15+5f490 )
Mini102005-18.dmp BugCheck 9C, {0, 8054d370, c4014000, 136}
Mini102005-18.dmp Probably caused by : ntoskrnl.exe ( nt!KdPitchDebugger+ef4 )
Mini102105-02.dmp BugCheck 9C, {0, 8054d370, c4014000, 136}
Mini102105-02.dmp Probably caused by : ntoskrnl.exe ( nt!KdPitchDebugger+ef4 )
Mini102005-19.dmp BugCheck 1000008E, {c0000005, a1053490, 891093b4, 0}
Mini102005-19.dmp Probably caused by : navex15.sys ( navex15+5f490 )
Mini102005-20.dmp BugCheck 1000008E, {c0000005, 9dbce490, 889db4e8, 0}
Mini102005-20.dmp Probably caused by : navex15.sys ( navex15+5f490 )
Mini102105-01.dmp BugCheck 9C, {0, 8054d370, c4014000, 136}
Mini102105-01.dmp Probably caused by : ntoskrnl.exe ( nt!KdPitchDebugger+ef4 )
Mini102205-02.dmp BugCheck 10000050, {9dc0fbab, 1, 80567682, 3}
Mini102205-02.dmp Probably caused by : ntoskrnl.exe ( nt!CmpParseKey+10d )
Mini102105-03.dmp BugCheck 1000008E, {c0000005, bf9e366a, 9d0d8544, 0}
Mini102105-03.dmp Probably caused by : ati2dvag.dll ( ati2dvag+1066a )
Mini102105-04.dmp BugCheck 1000008E, {c0000005, bf9e366a, 9dc9c044, 0}
Mini102105-04.dmp Probably caused by : ati2dvag.dll ( ati2dvag+1066a )
Mini102205-01.dmp BugCheck 9C, {0, 8054d370, c4014000, 136}
Mini102205-01.dmp Probably caused by : ntoskrnl.exe ( nt!KdPitchDebugger+ef4 )