Serious computer crash

[Asyn]

You mean a decompression bomb? A decompression bomb is either a too-big file to be scanned by avast!, or it's a zip file that dumps a HUGE amount of data on your hard drive.

You should quote the post of whoever this reply goes to.

[Ghost2]

You mean a decompression bomb? A decompression bomb is either a too-big file to be scanned by avast!, or it's a zip file that dumps a HUGE amount of data on your hard drive.

This bomb is a file which doesn't exist, but the avast! found it.

[Asyn]

This bomb is a file which doesn't exist, but the avast! found it.

Forget about the decompression bomb.
That's not your machine's problem.

[YoKenny]

You mean a decompression bomb? A decompression bomb is either a too-big file to be scanned by avast!, or it's a zip file that dumps a HUGE amount of data on your hard drive.

This bomb is a file which doesn't exist, but the avast! found it.

Please read this topic:
What is a decompression bomb.
http://forum.avast.com/index.php?topic=8943
See igor's answer

A decompression bomb is a file that unpacks to an enormous amount of data - thus "flooding" the unpacking engine.

You still need to update to IE8.

[iRonzel]

Some computer works fine with SP3 but some not

PC professionals recommand not to install SP3, only for a nwely installed system.

[Lisandro]

PC professionals

Professionals? Really? I can't imagine, really.

[Coolmario88]

Steps to take before you install Service pack 3 for windows xp: http://support.microsoft.com/kb/950717