pls help me... i doing my CCNA but i m not certified yet. My primary interest in networking. Is there any growth in Networking so can go ahead. & what...

I have HP 1000 laserjet attached to win vista & i shared this printer from another win vista... but if i give any print from IE7 its shows error "pls...

i m using ms office xp but while working in word or excel files gets corrupt & sometimes it not recoverable pls suggest.... how to stop files bieng corrupted....