How to fully utilize Windows Defender Offline with Windows XP or Vista? Just be sure you have updated Windows XP or Vista with all the latest security updates. Or you can opt to go in manually. You will need a registry cleaner application for this. It's quite possible that you've downloaded a corrupt registry file or even a fake antivirus utility or spyware that's causing your computer's slowdown problems.
Open Windows Security and select Windows Defender Offline from the main menu. Click on the first option (scan) to start scanning your computer. Under the "current threats" section, select the Windows Defender Offline scan button. You may see a list of viruses like "iceberg", "flashlights", "heavenly valley", "kryptoslice", "open redirects", "redirect virus", "wget worms", and "va infection". Click the Remove button to permanently remove these viruses.
If you have not updated your Windows XP or Windows Vista, don't worry. You may need a professional tool to detect and remove these rogue antivirus utilities. A reliable tool that can successfully remove these malicious programs is what we're talking about. A reliable tool that can detect and eliminate virus signatures is what you should use.