What does BSOD 0xF900 (SAVER_WAITFORSHELLREADY) mean?

 
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SAVER_CAPTURESERVICE HYPERVISOR_ERROR

SAVER_WAITFORSHELLREADY

SAVER wait-for-shell-ready bucket for SAVER_WAITFORSHELLREADY

SAVER_WAITFORSHELLREADY is bug check code 0x0000F900.

This bucket indicates that a component waited for shell readiness and did not reach the expected state. It is a shell/app-model initialization diagnostic clue rather than a full root-cause statement.

How to read it in a dump

  • Treat this value as an internal diagnostic bucket from the Windows SAVER family, not as a classic blue-screen stop code with public parameter semantics.
  • the useful evidence is the dump type, WER bucket, triggering process, provider-specific data, and event-log context around the capture.
  • the symbolic name narrows the subsystem that requested capture; it does not by itself identify a defective driver or application.

What to check

  • Check ShellExperienceHost, Start, profile, app repository, and service-control events.
  • Inspect waits on COM/RPC calls or app-model services in the dump.
  • Correlate with sign-in, first-logon, update, or profile-migration events.

References


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