Select “Start Scan.” This will begin scanning your computer for malware, potentially unwanted programs (PUPs) and viruses.Ĥ. Click on the icon to open the drop down menu.ģ. This bar is at the top of your computer’s screen near your clock.Ģ. Locate the Malwarebytes logo in your menu bar. Follow the installer instructions to complete the installation.ġ. Open the installer by double-clicking the downloaded file.Ĥ. Look for the “Malwarebytes-Mac-3.x.y.zzz.pkg” file in your Downloads folder (or where you saved it).ģ. Download Malware from the developer’s website.Ģ. As much as Macs might “just work,” you still need to keep your machine in good working order. While Macs require less maintenance than Windows machines, keeping your hard drive full to the brim or running too many applications will still slow you down. If your Mac is still running poorly, you might need to do a little clean up. Just because your malware scan comes up negative doesn’t mean your computer is working perfectly. As a result, there are sometimes other steps that need to be taken to return your machine to good working order. But, more frequently, users have done a poor job maintaining their machines. Less-experienced computer users will often chalk up all manner of system problems to “viruses” and “malware.” Of course, this is sometimes to blame. Not every slow computer is suffering from a malware infection. Users might want to keep them, but there’s a good chance they’re causing damage to your system without your knowledge. It also includes other spammy or intentionally misleading applications. Browser toolbars often fall into this category. These undesirable programs are called “Potentially Unwanted Programs,” or PUPs. And while bad actors like this typically get quickly removed from the market place, there’s new ones popping up frequently. It looks like a useful application, but you aren’t aware that it is hijacking your system and slowing down your computer. This happens most frequently with fake anti-virus programs like MacDefender. However, thanks to misleading file downloads or false advertising, users sometimes intentionally install malware. Most malware is installed without the user’s consent or knowledge. According to Wikipedia, this includes “computer viruses, worms, Trojan horses, ransomware, spyware, adware, scareware, and other malicious programs.” Malware, short for “malicious software,” is any type of program that interferes with the operation of a user’s computer or acts against the desires of the user.

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