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APP_TAGGING_INITIALIZATION_FAILED
Application tagging initialization failure for APP_TAGGING_INITIALIZATION_FAILED
APP_TAGGING_INITIALIZATION_FAILED is bug check code 0x0000010A. This startup bug check points at OS infrastructure that tags or classifies applications for policy, compatibility, telemetry, or lifecycle decisions. It is not a normal application crash after the desktop is running.
How to read it in a dump
- Check the boot/session phase and any nested status code.
- Policy, registry, package, or compatibility data can be more relevant than a foreground process.
- The stack should decide which app-tagging component failed.
What to check
- Check recent OS updates, app-compatibility policy changes, and registry corruption.
- Compare Safe Mode behavior if the system can boot.
- Preserve event logs and dump data because the underlying status is the key clue.
References
Dump evidence
Preserve the complete dump, the four bug-check parameters, the exact Windows build, loaded-module list, and the event timeline immediately before the stop. AllStat summarizes the condition as “this result”; that sentence identifies the failure class, while the parameters and stack determine which object, driver, processor, or subsystem instance was involved.
Analysis order
- Run WinDbg
!analyze -v, then inspect the documented meaning of each parameter instead of relying only on the probably-caused-by line. - find the earliest abnormal event: driver update, firmware change, device reset, storage error, verifier report, resource exhaustion, or application hang connected with app / tagging / initialization.
- keep third-party filter, security, storage, graphics, and virtualization drivers in the module inventory; removing evidence before dump analysis can obscure the responsible path.
Do not repeatedly reboot a machine affected by this result before collecting the dump and event logs. Recovery actions should follow the component identified by the stack and parameters, not merely the symbolic stop-code name.
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