I'm using Windows XP Home Edition, Service Pack 3, and I would like to upgrade the icons. IMO Fisher Price was the wrong company for Microsoft to buy icons from, but I have a nice set I'd like to use instead. The recource editor in IcoFX, a good free icon editor, works with many files but not all. Windows File Protection - some horrible malware installed in XP and 2K by Microsoft to keep them in controll of your computer instead of you - replaces upgraded files as soon as they are saved with the original. How do I remove this attack software so I can do what I want with my system files? Some files can't be edited if they're in use. I have only one OS installed; how do I replace shell332.dll, and similar files, with upgaded versions, while the computer is running? (I'd do this when it's turned off or not booted, but I'm not very good at doing stuff that's impossible.)