The SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M bug check has a value of 0x1000007E. This indicates that a system thread generated an exception which the error handler did not catch.
Bug check 0x1000007E has the same meaning and parameters as bug check 0x7E (SYSTEM_THREAD_EXCEPTION_NOT_HANDLED).
Important This topic is for programmers. If you are a customer who has received a blue screen error code while using your computer, see Troubleshoot blue screen errors.