Welcome! Vector Linux Light is still beta code so a few problems are to be expected. In my experience -- and I've been around since VL 1.8 -- the developers get most of the bugs worked out before the final release. Be sure to go to the Vector Linux Light bug thread in the Distro Development section of the forum and report the problems you've found if nobody else has yet. The developers can't fix what they don't know about, can they
Again, welcome! The VL community is as friendly and helpful as any you'll find.