Sybot S&D Teatimer Disappeared from Systemtray

Hi all

Help/advise please...currently running Spybot S&D along with various other security apps. Two problems I have recently encountered.

1...Teatimer dissapeared from Systemtray and
2...Problem downloading latest definitions..9/9 date of 889kb...the 'small' downloading window show a full 'blue bar' (but no such activity in the main 'larger' window which runs across the lower part)...sorry if these descriptions are rather newbie...cos that's what I am.
Also get the message '!!badchecksum!!....and the red 'x' checkmark.

Simply...How do I reinsate Teatimer ?..and whats going on with the updates ?....or my system?!!!...

Grateful for any advise....

ftwynne59