A full-screen crash means the core of the operating system hit a state it could not safely continue from. Stopping is deliberate: continuing could corrupt files.
The stop code shown is the single most useful piece of information. Codes about memory management, page faults and driver states each point at a different category of cause.
Frequency matters as much as the code. A one-off crash after months of stability is rarely worth investigating; the same code three times in a week is a pattern.
Most repeatable crashes trace to a driver, faulty memory or a failing drive — the three components the core of the system trusts absolutely.