recent versions of Windows compress the registry on its own, automatically, and recovers wasted space. deleting unused entries can be bad because it is very hard to tell what are unused entry unless you know how Microsoft wants applications to put entries in the registry in the first place. users are caught in a Catch-22 because programs that put wrong entries in there cause slowdowns and crashes and removing them is critical to fixing those problems. uninstallers that don't remove entries can also do the same. this of course is compounded by Microsoft changing their mind on where things have to go over the years, and applications that don't follow the rules but still work until Microsoft decides it needs to start enforcing the rule. the worst problems happen when a crash occurs during shutdown and you get a corrupted registry. i've had that a couple of times and the computer usually won't come up until you reinstall Windows, sometimes only after a clean install.

Herb....
----- Original Message ----- From: "Boris Liberman" <[EMAIL PROTECTED]>
To: <pentax-discuss@pdml.net>
Sent: Wednesday, July 06, 2005 12:58 AM
Subject: Re: OT - Cleaning and Defragmenting Windows Registry


I essentially wrote exactly what you said. You can *delete* the unused entries by use of certain programs. You can also *compress" the registry by *removing* the empty spaces. The first operation can be done, usually by professional. The second operation is *highly* unadvised as it may render your computer dead.


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