System instability after loading WinXP SP3

[John]

My system has become unstable after loading SP3. Applications will work for a
while, then lock up. Ofter shutdown will not complete and I have to force
power off to reboot.

Any help would be appreciated. Thx, John

 

[PA Bear [MS MVP]]

Free unlimited installation and compatibility support is available for
Windows XP, but only for Service Pack 3 (SP3), until 14 Apr-09. Chat and
e-mail support is available only in the United States and Canada.

• US:
http://support.microsoft.com/oas/default.aspx?ln=en-us&prid=11273&gprid=522131

• CA:
http://support.microsoft.com/oas/default.aspx?ln=en-ca&prid=11273&gprid=522131

• UK:
http://support.microsoft.com/oas/default.aspx?ln=en-gb&prid=11273&gprid=522131

• AU:
http://support.microsoft.com/oas/default.aspx?ln=en-au&prid=11273&gprid=522131

• Other: http://support.microsoft.com/oas/default.aspx?gprid=1173 | select
Windows XP | select Windows XP Service Pack 3