Security Config update:
Avira Free with Web Protection (registry tweak)
Malwarebytes Antiexploit Premium
Windows Firewall at defaults
Browser: Chrome, with ublock & https everywhere addons, click to play setting enabled, delete cookies on exit
Norton ConnectSafe (Norton DNS)
Other related settings, configs:
UAC at maximum, windows smartscreen enabled, system always updated.
Malwarebytes free installed for scans every 2 weeks
Sumatra PDF.
Cleaners/optimizers used:
Windows Cleanup Tool, Ccleaner, and Windows Defrag tool.
I try to keep a lightweight system that's performing well while having satisfactory security.
I avoid using any other third party maintenance tools except from the above as they do more harm than good provided that I don't get infected and I know how to keep my systems fit condition.