Service Pack 2 (SP2) appeared on 2004-08-06. It is an important upgrade and should be installed on all Windows XP computers. The same is true for Service Pack 3 (SP3)
, which appeared on 2008-05-06.
However, due to the general tightening of security, there is the potential that some security measures interfere with special functions you had been using on your computer, and you may have to loosen some security settings accordingly. Given the complexity of some Windows XP installations, there is also always some potential for some other defect to show up.
List of fixes included in Windows XP Service Pack 2http://support.microsoft.com/kb/811113/
Available disk space is used as follows (LIS = Local Install Source, the install files remain on disk; CAB = files of type .cab, cabinet).
Free disk space
Minimum for safe installation
(and safe operation of Windows XP)
< 1.5 GB
1.5 .. 2 GB
LIS and used CABs
> 2 GB
LIS and all CABs
A general advice, particularly after changing hardware, is to power everything down, including any routers, cable modems, switches, hubs, and the like, wait 10 seconds, then power them up again. Rebooting without powering down is not enough in some cases.
Your problem may not be related to Service Pack 2 at all. If you have the firewall set up properly, but still have network problems, continue with the Windows Network Problem Solver
Microsoft offers free technical telephone support for Service Pack 2. In the US call (800) 936-5700 and press 0 to get to an operator. Ask for technical support on SP2.
This article does not generally cover installations running a third party software firewall. If you want to rely on the information given here, you have to completely uninstall any third party firewall software first.