A. Update your LW version:
http://www.limewire.com/english/content/download.shtml This will stop those spam files causing your browser to open.
B. Learn to use Bitzi & check the tips here:
Movie download issues
C: Get a decent video player which has in-built codecs & doesn't have license problems with diallers, etc. We recommend this player:
VLC - (click on link) _ (choose nearest mirror site)
3. Unsecure means it can't be trusted. See
What you should know about WMA/WMV Files
2. Many files smaller than 100 MB are spammed porn or similar. Those ones are .mov files! Learn to recognise & ignore or put
.mov into your keyword filter;
How to use the Keyword Filter