REQUEST

1. Please explain to me the reasons why ,when i install timer in my computer(xp)windows it refuses to open,but when i unstall antivirus(kaspersky) it opens and operates well,what should i do to mentain both the timer(cybercafe pro) and antivirus.

2. my computer does not display anything on the screen when its on, what could be the problem

Please help

Regards
Purity