Tip to fix Crash problems when start launching CleanMyMac X 4.x.x


Mojave and High Sierra users might can not launch CleanMyMac 3.10.x and CleanMyMac X 4.x.x. In another case, CleanMyMac just keep crashing when start launching. Here below is a quick steps to fix.

Solution 1
That disable the System Integrity Protection (SIP) would fix the related issues.

Solution 2
Open Terminal, and enter the following command line.

sudo codesign --force --deep --sign - /Applications/CleanMyMac\ X.app

You then might be asked for administrator password (the login password).

If you face any problems relative to xcode, just simply Enter the following before the above command line.

xcode-select --install