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0x00000127: STATUS_INTERRUPT_VECTOR_ALREADY_CONNECTED

Windows Error Code Lookup: Decode Windows error codes: Win32, HRESULT (0x80070005), NTSTATUS, Windows Update, msiexec and blue-screen stop codes, with what to check next.

Paste the number from an error dialog, event log, script or setup log: 0x80070005, 80070005, -2147024891, 1603, 0xC0000005, a stop code like 0x7E, a name like E_ACCESSDENIED, or a few words. You get every way Windows could mean that number (an HRESULT often wraps a Win32 error, so 0x80070005 is "Access is denied" too), its parts decoded, and what to check for the common ones. Names and messages come from the Windows SDK headers and Windows' own message tables; see Microsoft's System Error Codes and [MS-ERREF] for the full references.

Try: 0x80070005, 1603, 0xC0000005, 0x800F081F, 0x8024402C, 0x7E, access denied

0x00000127 = 295

NTSTATUS 0x00000127

STATUS_INTERRUPT_VECTOR_ALREADY_CONNECTED

The specified interrupt vector was already connected.

Becomes the Win32 error: 763ERROR_INTERRUPT_VECTOR_ALREADY_CONNECTED: The specified interrupt vector was already connected.

Severity (bits 30-31)0: Success
Customer (bit 29)0: Microsoft
Facility0 (0x000)
Code295 (0x0127)

Stop code 0x00000127 (blue screen)

PAGE_NOT_ZERO

Open the dump in C:\Windows\Minidump with WinDbg and run !analyze -v to see which driver was involved. Microsoft's bug check reference explains the four parameters for each code.