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Windows update 17115.1 GSOD during "working on updates"

Brian Munton
New Contributor

Always gets to 42%.

IRQL_NOT_LESS_OR_EQUAL

or

DPC_WATCHDOG_VIOLATION

Error is in CLASSPNP.SYS

It appears to be a problem with bad drivers, but which driver(s) and how to fix?

1 Reply

A quick update - problem now resolved and Windows updated successfully.

HP Support were able to sort the problems out, which mainly seemed to be by reinstalling their Support Assistant app.

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