Error code
Windows 0x80070643
WINDOWS0x80070643
System Error Code· A POSIX/system errno returned when a system call fails.
What it means
Fatal error during installation..
How to fix it
- Run the Windows Update troubleshooter.
- run DISM /Online /Cleanup-Image /RestoreHealth.
- run sfc /scannow.
- reset the SoftwareDistribution and catroot2 folders.
- restart and retry the update.
Not affiliated with Windows. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More Windows codes
- 0x80004001E_NOTIMPL - Not implemented.
- 0x80004002E_NOINTERFACE - No such interface supported.
- 0x80004003E_POINTER - Pointer that is not valid.
- 0x80004004E_ABORT - Operation aborted.
- 0x80004005E_FAIL - Unspecified failure.
- 0x8000FFFFE_UNEXPECTED - Unexpected failure.
- 0x80070002The system cannot find the file specified.
- 0x80070003The system cannot find the path specified.
- 0x80070005Access is denied.
- 0x80070006The handle is invalid.
- 0x80070008Not enough memory resources are available to process this command.
- 0x8007000DThe data is invalid.