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WU_E_DS_UNABLETOSTART
WU_E_DS_UNABLETOSTART means Windows Update could not create the data-store object in the process where it expected to run. It can involve service startup, COM activation, permissions, or an already-failing update component.
What to investigate
- Check whether the Windows Update service can start and remain running.
- Review the first service, COM, or access error in the update logs and Event Viewer.
- If other Windows servicing tasks fail too, investigate broader component-store health rather than treating this as a simple cache issue.
Microsoft: Windows Update log files
Microsoft: Fix Windows Update corruptions and installation failures
Microsoft: Windows Update error reference
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