Even though most decent anti-virus packages will also pick up malware, adware and spyware, none of them do it quite like Malwarebyte’s standalone Anti-Malware software. So the free version doesn’t give you real-time heuristic protection or a scheduler, but if you can remember to run it every now and again it will keep to safe and clean.
In the event that you slip up and something gets by it will help to eradicate it with ease. Even malware that attempts to block MalwareBytes from running can now be defeated with the latest version using MalwareBytes' Chameleon technology.
More info MalwareBytes
For the user who feels more at home in front of a command line than the Windows GUI, Notepad++ which is an excellent replacement for the standard Windows Notepad as it provides a good all-round editing environment for nearly every syntax known to man.
Even if you only dabble a little with coding, it’s a great tool to use due to its simplicity and miniscule footprint. Now you have no excuse not to make those tweaks to those mothballed projects.
More info Notepad++