Kext files are usually stored in the Extensions folder is deep subfolders.

If you try to remove such a file to Trash, you will face a situation when Finder ignores the removal command.

Then restart your Mac and press CommandR key shortcut while the reboot is in progress.

You will see an unusual startup window this is the recovery mode.

In this case, you will have to disable SIP and remove a kext file manually.

For this, again restart your Mac use CommandR shortcut open Terminal and this time type the command csrutil enable.

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Extention Cleaner Install Apps Cleanly

It also, as the name suggests, allows you to uninstall apps cleanly from the get-go, and set which ones launch at start up.

Thankfully, there are a wealth of tools available to rectify this malady and get your iMac or MacBook back in fine fettle once more.

We gather together some of the best clean-up utilities for macOS.

While normally the fact that an app is in the Mac App Store would mean that it has been heavily vetted by Apple, and therefore we would recommend it as safe, there has been a case of an app - specifically one used for cleaning your Mac - being found to be stealing data from machines.

We recommend that anyone using Dr Cleaner should stop doing so now.

Use CleanMyMac X to free up space on your Mac and tune it for maximum speed.

The new version effectively blocks adware, browser pop-ups, and virus extensions.

These include a general system clean that optimises space by removing temporary files that could be lingering, as well as slimming down unnecessary parts of applications and removing any odds and ends left behind after uninstalls.

Extention Cleaner Trial Version Available

There is a free trial version available on the Mac App Store, but it restricts the app to only remove files up to a maximum of 500MB - and in the middle of deleting files it will demand you pay the license fee for the app.

You can download that limited version from the Mac App Store for free ( here ) and scan your Mac to see just now much space before committing to buying the app.

Alternatively if you prefer a one-time purchase to the subscription model it costs from 76.95.

The files are sorted into various groups such as Large files, Documents, Music, and Downloads, each of which are allocated their own colours and spokes that show how much space that area is taking up.

Each section can be clicked to bring up another circular breakdown of its contents, with each sector representing a file.

These can be previewed to see whether you want them or not, and if its a case of the latter then you simply drag them to the bottom of the screen where all your junk files are stored.

This is useful, but as the delete feature has been disabled you wont be able to clear out any files.

Instead, go for the full-blown version which costs 9.999.99.

Wed also heavily recommend, as with any app in this roundup, that you make a complete backup of your system before you begin deleting files.

A number of the tools on offer can be used to clean your Mac.

You can read about Toolboxs various features, and download a seven-day trial, from the companys website.

The tool scans your drive and then lets you choose what to delete.

Often files and folders can be left scattered around your system that were related to that now gone app.

It offers tools to find and remove duplicate files and folder (including the ability to merge Similar folders.) It will also safely and completely uninstall apps.

Disk Expert will analyze your disk space usage and find the bulkiest content, and the Funter took will find hidden files and folders.

This lightweight app does a good job of clearing out the broken links, files, and other gubbins that get left behind when apps are uninstalled.

Free Extention Cleaner For Mac