Steam having Fits

During the course of today, there have been several times when large groups of people (like 5-10) have been getting booted because of "No Steam Logon". It got really annoying explaining it to people, so I wondered if anything could be done about it.
ummm gonna go with ask valve ive seen that on the old DoD servers some CSS and HL2 DM servers its steam so yeah ask valve
hehe yeah good thing we had to start over, other whise it would of been 300:20 you with the 300 :(
delete the ClientRegistry.blob in your steam folder this should repatch everything hope this works.