The correct and safest way to uninstall or remove an installed software or driver on a Windows computer is from Add or Remove Programs which can be found in Control Panel. When you run the uninstaller, it will simply refers back to the list of files that is extracted to the program’s folder during installation and deletes them. Sometimes you will notice that even after uninstalling a program, the program’s folder and some files will still be there. Those files are the ones that is created by the software, not extracted by the installer. There are some uninstaller that is smart enough to ask you if you’d like to delete the remaining files.

Normally when you open Add or Remove Programs shortcut from Control Panel, you will see a list of installed software which you can change or remove. The change option is usually used to repair the software. It actually meant reinstall the program with exactly the same components that were installed first time. As for remove option, it uninstalls the software from your system.

There are times that you need to remove or uninstall a software or driver from your computer but the Change/Remove button in Add or Remove Programs is missing!
Add/Remove button Missing

Here is a method to make Windows show the Remove, Change (or the Change/Remove button together) buttons in the listing.

This solution requires registry modification. So becareful not to change anything else.

1. Go to Start > Run

2. Type regedit and click OK

3. Navigate to HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{Program Name}
Note that as the {program name} may be a CLSID, you may need to search for the product name (e.g. “Intel Audio Studio”, using what you saw in Add/Remove) to locate the correct entry.

4. If you see NoRemove with the data 0×00000001 (1), that means the remove button will be unavailable. If you also see NoModify with the data 0×00000001 (1), that means the change button will be unavailable.
Restore Change/Remove button

5. Simply double click on the NoRemove or NoModify name and change the value data to 0 (number zero). If Add or Remove Programs is open, close it and reopen again. The Change/Remove button should now appear.
Restore Change or Remove button

If the above registry hack didn’t work, you should try running this registry fix created by Kelly Theriot to restore change or remove button.

One of the most common software or driver that the Change or Remove button is missing is Intel Audio Studio. I am sure there are more…

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