Security preferences won’t save on Mac OS X

Problem You make changes to the Security settings in System Preferences but when you go back to them, you see that the changes were not saved. Cause There may be a permission error in your user directory. Solution Reset the home folder permissions.

How to find your Mac Serial Number

Click the Apple icon (in the top left of the screen). Click About This Mac. Click on the “Version” text twice and it will show your serial number. (This can be found underneath the “Mac OS X” text.)

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Remove MacGuard

Problem When using your Mac, you are told by a program called MacGuard that you have viruses and that you must pay for the product in order to remove them. This is actually a fake antivirus that lies about your system security in order to get your money and is actually a variant of the… Continue reading Remove MacGuard