Start up stuck at 100% progress bar

After I perform some tasks and cleaning using CleanMyMacX and restarted my mac, it was stuck at 100% progress bar and wasn't able to boot. What are the possible causes of this?

MacBook Pro 13″, OS X 10.11

Posted on Jan 21, 2022 6:26 AM

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2 replies

Jan 21, 2022 8:00 AM in response to RichCand

RichCand wrote:

After I perform some tasks and cleaning using CleanMyMacX and restarted my mac, it was stuck at 100% progress bar and wasn't able to boot. What are the possible causes of this?


one of the worst "CleanMyMacX "


Uninstall all third party apps that are Cleaners/Optimizers/VPN/Anti-Virus

all known to cause issues on the macOS




If your Mac starts up to an Apple logo or progress bar

https://support.apple.com/en-us/HT207019


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Start up stuck at 100% progress bar

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