Rated 5 out of 5 stars

Από τον/την keepcom στις Ιαν. 22, 2009 · μόνιμος σύνδεσμος

Works like a charm!

However, keep in mind that this more a workaround than a real security fix and may be disabled by a poweruser.

For the cancel button issue, remember to set "extensions.startupmaster.block" to "true".