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What is PunkBuster, and Can I Uninstall It?

PunkBuster is an anti-cheat program installed by some PC games. It includes two processes—PnkBstrA.exe and PnkBstrB.exe—that run in the background on your computer. PunkBuster monitors your system for evidence of ...

How to Use the Ping Command to Test Your Network

The ping command sends packets of data to a specific IP address on a network, and then lets you know how long it took to transmit that data and get a response. It’s a handy tool that you can use to quickly test various ...

How to Fix a 404 Not Found Error

A 404 error occurs when you try to visit a web page that doesn’t exist. Sometimes, the problem is on the website itself, and there’s not much you can do about that. But sometimes, the problem is one you might be a...

How to Check Your MacBook’s Battery Health

Computer batteries have a limited lifespan and degrade over time, so they’re often the first thing to go in a Mac laptop. You can replace a battery yourself or pay Apple to do it, but you should check its health. first....
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