Types of PC Backup Backing up can be as simple as copying a file from one spot to another—from a hard drive to a removable USB flash drive, for example. But your redundancy, security, and access needs ...

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

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 ...