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WU_E_DS_LOCKTIMEOUTEXPIRED
WU_E_DS_LOCKTIMEOUTEXPIRED means a required section of the data store remained locked longer than Windows Update allows. It usually reflects contention or a stalled operation rather than a permanent schema error.
What to check
- Look for simultaneous scans, downloads, installs, third-party management activity, or repair scripts.
- Wait for the conflicting operation to finish, then retry once rather than launching parallel retries.
- If the lock timeout repeats while the device is otherwise idle, collect logs and check for a hung update-service process or persistent store corruption.
Microsoft: Windows Update log files
Microsoft: Windows Update issues troubleshooting
Microsoft: Windows Update error reference
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