out of nowhere my firefox bookmarks no longer appear. I am getting the following msg "' '''The bookmarks and history system will not be functional because one of Firefox's files is in use by another application. Some security software can cause this problem.''''' In an attempt to fix this problem, I have done the following: * closed the browser and re-opened it * rebooted my computer * reinstalled my security software * uninstalled firefox * Reinstalled firefox None of these steps have fixed the problem?????? Any ideas would be appreciated!