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Install & Registry Question


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#1 deltacoolguy

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Posted 20 December 2005 - 01:09 PM

This isn't an issue, but I am simply curious how this aspect works.

When you do a simple re-install of the OS, does the registry get re-written 100% from scratch, or is some stuff left over?

Thanks.

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#2 Salo

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Posted 20 December 2005 - 01:51 PM

It depends on the kind of install, Microsoft windows, is the only operating system to use the registry. In a repair install of windows xp, it leaves the registry alone. In a clean install, It formats the entire partition and the registry is re-written.

Now it OS's like Unix/Linux and other distros, They dont even use a registry.

#3 usasma

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Posted 21 December 2005 - 09:40 AM

Here's Microsoft's explanation of the repair install (they call it an inplace upgrade):
http://support.microsoft.com/?kbid=315341

One of the problems that it fixes is a corruption in the registry - so that implies that it does do something to the registry.

There's no solid details about this available on the web (that I could find) - but the next time that I have to do a repair install (if I remember) - I'll back up the registry and compare the versions. Then I'll post back with the results.
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.

#4 deltacoolguy

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Posted 22 December 2005 - 12:39 AM

It makes sense that it would leave the registry alone, or fix individual problems, in a repair re-install. I'm wondering more about a completely fresh re-install.

#5 usasma

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Posted 22 December 2005 - 07:11 PM

A clean install will create a brand new registry with brand new settings tailored to the system that it's installed on. Nothing is supposed to be saved from the old system (hence the term "clean install")
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able.

- John  (my website: http://www.carrona.org/ )**If you need a more detailed explanation, please ask for it. I have the Knack. **  If I haven't replied in 48 hours, please send me a message. My eye problems have recently increased and I'm having difficult reading posts. (23 Nov 2017)FYI - I am completely blind in the right eye and ~30% blind in the left eye.<p>If the eye problems get worse suddenly, I may not be able to respond.If that's the case and help is needed, please PM a staff member for assistance.




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