Registry in use during log off

Admiral Michael

Michaelsoft Systems CEO
Hey All,

I seem to get alot of these Warnings in my Event Log and was wondering if you guys had anything similiar and possibly know a solution. It's on both my laptop and desktop if I may add.

Event Type: Warning
Event Source: Userenv
Event Category: None
Event ID: 1517
Date: 1/17/2006
Time: 7:55:46 PM
Computer: CORY
Windows saved user CORY\Admiral Michael registry while an application or service was still using the registry during log off. The memory used by the user's registry has not been freed. The registry will be unloaded when it is no longer in use.

This is often caused by services running as a user account, try configuring the services to run in either the LocalService or NetworkService account.

For more information, see Help and Support Center at
Last edited:

bush dogg

OSNN Senior Addict
Political User
Yes I get that a lot on all systems now, it didn’t start until after I installed SP2. Microsoft claims in most cases its Antivirus software that causes this (not releasing the registry) at shutdown or logoff.

Microsoft has a tool to correct the problem and unload the user profile.

UPHClean is what its called. You can read about and download it Here

I haven’t used it yet but friends have gotten sick of that in the event viewer and installed this tool and not looked back.

You can read what it will do Here


█▄█ ▀█▄ █
Political User
Yeah, I agree it's both annoying and safe to ignore. SP2 has been getting bad press lately, which is a shame. I have run that tool on a few computers, where people who stare at the event log all day are complaining, other than that I leave it alone.

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