Firewalls scan data sent to your computer for malware and attempt to block files or other data they deem suspicious. Like ...

Nobody who values the files on their computer should be without at least two regularly updated methods for backing them up. External drives are perfect for this. You can plug them into your computer, ...

Every file and every program leaves traces in your system: It accesses other files, uses Windows resources, makes entries in the registry, and possibly installs additional software. In the best-case ...