BSoD nearly every day

James3 said:

Please could someone help me. I'm experiencing random BSoDs nearly every single day now

My computer is a HP G5208UK running Windows Home Premium X64. The computer itself is only four months old.

Any help would be much appreciated.

Hi James welcome to SF :)
The bsod IRQL_GT_ZERO_AT_SYSTEM_SERVICE (4a)
Is probably cause from ZoneAlarm personal firewall.
So please for first step,uninstall zone alarm firewall.
Uninstall avast.
Download,instal MSE Anti-Malware, Virus, Spyware Protection | Microsoft Security Essentials
Mse will advice to Enable windows firewall,so enable the windows firewall.
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Wait and please post back with ANY results.

James3 said:

Thank you so much for you help. I'll uninstall ZA and Avast! and take it from there :)

Nice :)
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And always remember to post back with ANY results.