STOP 0x0000001A: MEMORY_MANAGEMENT
Usual causes: Device driver, memory, kernel
STOP 0x0000004E: PFN_LIST_CORRUPT
Usual causes: Device driver, ?memory
STOP 0x0000008E: KERNEL_MODE_EXCEPTION_NOT_HANDLED
Usual causes: Insufficient disk space, Device driver, Video card, BIOS, Breakpoint in startup without having a debugger attached, Hardware incompatibility, Faulty system service, 3rd party remote control, Memory
STOP 0x00000019: BAD_POOL_HEADER
Usual causes: Device driver
STOP 0x00000018: REFERENCE_BY_POINTER
Usual causes: Device driver, kernel, hardware
As memory corruption was indicated as the cause in many dump files, I would suggest you to download third party called memtestx86, burn it to CD using ISO Recorder v3 , and let it run for at least 7 passess. (Please run all stick together, then run each stick individually, so that we will know if it is compatibility issue, individual ram issue or motherboard slots issue)
Code:
BugCheck 1A, {403, c0384418, 23202025, c00025f0}
Probably caused by : memory_corruption ( nt!MiDeletePteRun+663 )
Followup: MachineOwner
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BugCheck 4E, {99, 26640, 3, 26600}
Probably caused by : memory_corruption ( nt!MiBadShareCount+24 )
Followup: MachineOwner
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BugCheck 1000008E, {c0000005, 8192a7ff, a7b0ab2c, 0}
Probably caused by : Pool_Corruption ( nt!ExDeferredFreePool+19f )
Followup: Pool_corruption
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BugCheck 19, {3, 8311e8a0, 8311e8a0, 8311a8a0}
Probably caused by : fileinfo.sys ( fileinfo!FIStreamGetInfo+109 )
Followup: MachineOwner
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BugCheck 18, {0, 8484b1a0, 2, 847d6221}
Probably caused by : ntkrpamp.exe ( nt!ObfDereferenceObjectWithTag+4b )
Followup: MachineOwner
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Run these 2 check:
system files check: SFC /SCANNOW Command - System File Checker
Disk check: Disk Check
Let us know if you need help
Tuan