Reader Michael Downend is having difficulty ridding his Mac of a utility he no longer desires. He writes:
How do I get rid of MacKeeper?
I won’t go into why you’d want to. But we get this question *multiple times a day*, so it’s definitely worth going into detail about how to remove it completely from your Mac.
Versions of MacKeeper made in the last couple of years are actually pretty easy to uninstall, but the process isn’t entirely straightforward. If you click on the MacKeeper menu in the Mac’s menu bar you won’t find a Quit command, which might lead you to believe that it can’t be quit. Force-quitting doesn’t seem to work either.
What you have to do is launch the MacKeeper app in the Applications folder and then quit it. (If this is your first time running it, no, you don’t have to activate MacKeeper or sign on for any of its services. Just choose Quit from the MacKeeper application menu.)
When you’ve done that, drag the MacKeeper app to the trash. You may be prompted for your administrator’s password. Enter it and the MacKeeper app will move to the trash and a window will pop up and offer to uninstall the rest of its components. Click the Uninstall MacKeeper button (don’t bother selecting an option about why you’re doing so if you don’t care to). This should remove most of the files MacKeeper placed on your hard drive.
But not all of them. Although the window tells you that all MacKeeper-related processes will be deleted, one crumb might remain.
A MacKeeper Helper folder isn’t removed. You can find it by visiting this location: ~/Library/Application Support. (To access this Library folder hold down the Option key and, in the Finder, choose Go > Library.) Inside this MacKeeper Helper folder is a NoticeEngine.plugin file. Go ahead and toss the MacKeeper Helper folder and this file will disappear right along with it. Empty the trash, restart your Mac, and MacKeeper will be gone. If you don’t see the MacKeeper Helper folder, don’t worry about it—it’s only bad if it’s there.
While we’re making sure the uninstaller got everything, here’s a few more places to check. The most recent version of MacKeeper as of this writing (3.7, build 979) did get all of these on the uninstall, but it’s still smart to double-check.
- ~/Library/Application Support/MacKeeper Helper
Now just empty the Trash and vow to stay far, far away from MacKeeper forever and ever.
Pop go the pop-ups
If you downloaded MacKeeper “legitimately” (as in, from MacKeeper.com), it’s possible you aren’t seeing a ton of pop-up and pop-under ads in your browser. But if you happened to pick up MacKeeper from downloading software through a third-party clearinghouse, your browsers may be infected by insidious ads that harass you to install MacKeeper and basically won’t let you do anything else. It’s the worst. But you can make it go away.
First, quit Safari. Even this might be harder than just pressing Command-Q. If a bunch of pop-ups keep appearing that don’t go away when you click OK or Cancel, you’ll have to force-quit Safari by pressing Command-Option-Escape, choosing Safari in the list, and clicking Force Quit. Now if you relaunch Safari the normal way, those pop-ups will come right back, so instead, launch it while holding down Shift to prevent the last session’s windows from simply reloading.
Now look for extensions and cookies MacKeeper has stashed on your system. In Safari, go to Safari > Preferences > Extensions, and remove anything you don’t remember installing. Next, pop over the Privacy tab, and either click Remove All Website Data, or if you want to be more surgical about it, click the smaller Details button, and search for MacKeeper to remove just MacKeeper’s cache and cookies.
In Chrome, go to Chrome > Preferences, then click Extensions in the menu on the far left. Again, if you see extensions you didn’t install, click the trash can icon to the right to get rid of it. In the Settings menu, scroll down and click Advanced Settings, then click the Clear Browsing Data under the Privacy heading. In the pop-up menu, check the box for “Cookies and other site and plugin data,” and click the “Clear browsing data” button.
The easy way
If that doesn’t get it all, try Malwarebytes Anti-Malware for Mac, which is a new version of the trusted AdwareMedic utility that scans your Mac for known adware. Run a scan and check the boxes by anything you want to delete. It’ll find the MacKeeper app and all its various parts wherever they are on your system.
Did that fix it for you? MacKeeper can be tricky to fully eradicate if you have an older version, perhaps one that was bundled with something you did want to install, since the parent company used to have a generous affiliate program that incentivized sites to shove it at you whether you wanted it or not. If you’re still having trouble, let us know in the comments and we’ll do our best to help.
This is an update to an article originally published December 19, 2014.
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