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Home > Stuff > Tutorials > Replacing System Files in Windows XP
 
Replacing System Files in Windows XP
 
 
Table of Contents
 
Introduction (Start)
Background
First Technique
Second Technique
Third Technique
Info for SP1 users
Things you must know
List of system files

Some things you must know

There are some additional things to know when we’re replacing our files. In the specific case of my set of files, their use is mainly intended to update the icons of your system, and maybe you’ll be unable to see the changes unless you do some steps more.

About icons files. Well, now we have our system updated with new system files, but all looks exactly the same! What happen? The icons in your Windows XP system are stored in several files, almost all of them in .dll format, but some of them are in .cpl format also (the .cpl files are containers of the icons used in the Control Panel, that's the only difference for this specific case).

Rebuilding icon cache. What this mean? Windows uses an icon’s cache. That's because could be too hard and heavy (talking about memory) to handle the big amount of icons needed to draw the full GUI every Windows start. So instead, Windows store in this cache only the most commonly used icons and then it read the cache at every start. It's a good feature, but we'll need to defeat it or we won't be able to see the changes made to our system. Once updated a system file, you'll need to re-build your icon cache in order to see your new icons.

How to do it? Sadly, there is no way to do it using the standard Windows tools, because Microsoft doesn't care about the emulation community. So here we'll need help of an external app, called Power Toys XP (developed by Microsoft). It's absolutely free, and can be found in the download section of Microsoft.com:

http://www.microsoft.com/downloads/search.asp?

Specifically, we'll need only a part of PowerToys, called TweakUI. So maybe you'd like to install only this feature, not the full package. Anyway, once installed, open TweakUI, and in the "Repair" section you'll see the "Rebuild Icons" option checked in the pull down menu. Just click over the "Repair Now" button and you'll be able to see your new icons, enjoy!

Files not updated even rebuilding the cache. There are some special files that will need a full reboot after updating. This is the case of Shell32.dll and Explorer.exe files, wich sometimes won't update unless you do a full reboot.

List of system files

 
 
 
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