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WU_E_REG_VALUE_INVALID
WU_E_REG_VALUE_INVALID means WUA read a registry value with an invalid type, format, or content. It can be caused by an incomplete policy deployment, a stale manual setting, or damaged local configuration.
Safe diagnosis
- Identify the setting from the preceding log entries before editing the registry.
- Compare the effective policy on a working machine managed by the same configuration, not just arbitrary online examples.
- Prefer correcting the policy source over repeatedly changing the local registry by hand.
Microsoft: Manage additional Windows Update settings
Microsoft: Configure Group Policy settings for Automatic Updates
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