JAVA not working well

Hi,
I'm kinda new to Java and i hope this problem is in the right forum part.
But here is the problem:
Java does not work 90% of the time. The console does not work than, when i want to go to sites that have something to do with Java (like java chat applets) they just don't seem to work. All i get is a grey or blue screen (looks like only a part of it is loaded).
Like i said when i have that problem i also can't enter the console (stays grey too than), and i can't go to the control panel (guess what, java likes gray on my pc -.-) and even when i click about java the box that appears is completely grey and without even a sign of a letter.
Also, strange enough, Java somethimes (1 in like 30 times) does seem to work and i got no problems at all.
In the start i did not have this problem, but since 2 or 3 weeks i do have this problem. Strange enough it all started when i installed Mozilla Firefox (that is running besides IE on my pc, could it have anything to do with that?), also i heard that Norton Antivirus can cause problems with Java and i got that on my pc too.
I already tried to reinstall Java a 100 times, lower the internet security option and nothing seems to work. I get no error logs, only a grey box (installed java runtime enviroment 1.5.0)
Hope someone can give me a helping hand.
Greetings,
Alex

Hi,
Interesting problem. U try this.
1) Uninstall Java complitely from your system. Remove all teh temp. files of java like the "Java" directory name too.
2) Delete the file found in application data folder i.e. "C:\Documents and Settings\Admin\Application Data\Sun" (Remove 'Sun' folder)
3) Remove all the registory entries for java after uninstalling.
4) Install a new fresh copy of j2se or jre as you need.
Hope this could solve your problem.
Chears
MK

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