It sounds like the user on the WD forum is experiencing an unusual issue with Windows XP being deactivated when they connect their external hard drive. This problem could be related to various factors, such as hardware conflicts, software issues, or even potential malware interference. Here are some suggestions that might help resolve the problem: 1. Check for Malware: Run a thorough malware scan on the computer using reliable antivirus software. Malware infections can sometimes interfere with system settings and cause unexpected issues. 2. Update Windows XP: Make sure that Windows XP is up to date with all the latest patches and updates. Microsoft no longer provides official support for XP, but there are unofficial ways to...