| Event Id | 4373 |
| Source | NTServicePack |
| Description | Windows 2000 Service Pack 4 installation failed. Access is denied. |
| Event Information | According to Microsoft: CAUSE: These issues may occur when permissions for one or more registry keys are restricted in a way that prevents the update of those registry keys. A failure to update a registry key may cause the Setup program to fail. WORKAROUND: Step 1: Verify that there is a failure to update the registry. Step 2: Locate the specific registry key. Step 3: Reset the registry permissions. |
| Reference Links | You receive an "Access is denied" error message when you try to install Windows XP Service Pack 2 |
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