There could also be situations where you need to allow a program through your firewall that has been blocked incorrectly - this is known as whitelisting. Not sure if your firewall is running? Learn how to switch on the Windows Firewall.

This usually happens when you use a new program for the first time. The Windows firewall works like a filter between your PC and the internet, blocking or allowing connections depending on whether or not they’re safe.įirewalls will block or allow a lot of traffic automatically, but sometimes you will see a message asking you if you want to allow a program to connect to the internet. Unsure whether or not to allow a program through your firewall? Follow our handy guide to help you make the right decision