Browsers
Browser Troubleshooting Guides
When a browser stops loading pages, slows to a crawl, or crashes as soon as it opens, the cause is usually a handful of familiar culprits. These guides walk through them in order, for Chrome, Edge and Firefox.
Other topics
Windows
Step-by-step help for the Windows problems people hit most often — connectivity that stops working, network settings that need resetting, updates that fail, and performance that drags.
Internet & Networking
Most ‘the internet is down’ moments come down to Wi-Fi, DNS, or a single misbehaving device — not the whole connection.
Android & iPhone
Phone problems tend to cluster around updates, app stores and connectivity.
Security & Privacy
Security guidance that sticks to safe, mainstream advice — how to read a certificate warning, reset a browser without losing what matters, and control cookies — with no scare tactics and no dubious tools..
Error Codes
Have an exact error code or message? This section indexes every code in our database.