Multiple problems with Norton Internet Security 2012

Hi,

 

Windows XP SP3, all updates applied

Norton Internet Security 2012 19.7.1.5, liveupdate until no more updates
Norton Safety Minder 2.3.0.19

I'm getting multiple errors such as:

 

Symantec service framework encountered an error and needs to close

 

ccSvcHst errors

 

C++ Runtime error Pure virtual function call errors

 

Sometimes I'll reboot and the errors will start coming one after the other. But sometimes (like now) I'll reboot and not get any errors at all. Very frustrating.

 

I've already done a SYMNRT and reinstall. Errors persist, but again, intermittently.

 

Have been using Norton for many years on many different PC's. Have not seen a problem like this before. Well, maybe once.

 

Please help me troubleshoot this.

 

Thanks,

Dan