If you’ve tried to use the built-in “Extract Here” functionality in Ubuntu’s File Roller to extract either a single or a multi-part zip or rar file and ended up with a “Password required” error, then you might just assume the files are password protected when in fact they are not.
If you encounter this error message as often as I do, you will thank your various gods for this extension, which allows you to hide the warning message on a per site basis, for both Firefox as well as Thunderbird.
Did you know that you can run more than one Firefox profile at once? This can be extremely useful if you want to test out extensions more easily, create a web development profile, run a slimmed down profile just for Gmail, or if you just want to have a clean profile.
The System Restore feature in Windows Vista is very important to keep enabled, what with all the problems Vista users are having with compatibility. Even so, the disk usage can get out of hand if you install a large amount of software.
Many utilities need to be run as administrator in order to function properly, especially older utilities that haven’t been updated to support Windows 7 or Vista yet.