Quote - Looks more related to your machine than with Vue, since it is working fine on another machine. have you noticed strange behaviours using other apps or simply using the explorer?
How do you lanch Vue on this machine, with a shortcut on the desktop, Maybe delete the shortcut and create a new one. I've been loading Vue from a shortcut and was getting strange bahaviour, but loading it from the exe file worked every time. Might be down to install/uninstall/reinstall processes. I created a new shortcut from the exe file, and now it works fine with the shortcut too.

Everything else on my machine appears to be working fine. However I've been wondering if something fundamental to XP has become corrupted, but short of a full system reinstall I don't know how to address that. My wife suggested that I perform a restore point, but I think I've moved too far beyond that option. Plus I don't want to put anything else at risk at this point. :(