To fix the UNTRUSTED_CERT_TITLE error on macOS

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Some Mac owners encounter the error message unrusted_cert_title when trying to reinstall macOS. This problem occurs when the Mac’s system clock is not set correctly, and you may face a chicken-and-egg problem: Without a macro program installed, there is no easy way to set the clock that allows you to set the macro program.

To establish a secure connection, many encryption algorithms require a running clock. The encryption system wants to check that the digital certificate that confirms the integrity of the software has not yet expired. If the dates in the certificate were received before the issue date or after the expiration date, the software will lock correctly – and macOS will unfortunately spit out an error, as this feature is not yet included in Mojave.

What causes the error UNTRUSTED_CERT_TITLE with the macro

This error is due to incorrect date and time settings. Apple servers use system time to establish a secure connection. If the system time is not set correctly, the servers block the connection request for security reasons. Simply put, the servers could not verify the operating system certificate due to incorrect system time settings.

Correct the UNTRUSTED_CERT_TITLE error in macro.

April 2024 Update:

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Change the date and time settings in Settings.

You can use this method if you are still using the old macOS operating system.

  1. Choose System Preferences from the Apple menu.
  2. Select the date and time.
  3. Click the lock icon and enter the administrator name and password.
  4. Press the Date and Time button and set the time manually.
  5. Clear the Automatically set date and time check box, and select the current date in the calendar.
  6. Set the clock to the current time and press Save.
  7. Now install the operating system and check if the error persists or not. Deactivate the automatic time setting.

Change date and time using the terminal

Use this method if you no longer have access to an older version of macOS.

  1. Open Utilities, choose Terminal. Open the terminal via Utilities.
  2. Type the following command and press Enter:
  3. This command displays the current date and time of the system. It may have been reset to 2001 for some reason, so reset it in time. To do this, type the following command and press Enter:
  4. Date -u [Month] [Day] [Hour] [Minute] [Year]
  5. A two-digit range based on UTC can be replaced by square brackets. As shown below, this is the current time when you enter this command. U.T.C. is used instead of other time zones to avoid problems. Enter the command exactly like this:
  6. Date -y 1030011519
  7. Check the time again by selecting the first command again.

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frequently asked questions

  1. Click on the Apple menu and select System Preferences.
  2. Choose an Apple ID.
  3. Choose Browse and then Exit.
  4. To log in again, repeat steps 1 through 3 and click Log In.
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Open System Preferences -> Flash Player and select the Advanced tab. If you are using Safari to view YouTube content To clear Safari’s cache, press Command + Option + E. Exit Safari, restart it, and try playing the video.

  1. Check your computer’s clock and calendar and make sure the settings are correct.
  2. Don’t forget to set the date and time zone automatically.
  3. Make sure your Apple ID is correct. This error often occurs after entering an Apple ID.
  4. Purge the system of obsolete elements.
  5. Set the correct date and time.
  6. Make sure your Apple ID is connected.
  7. Check your Mac for malware.

frequently asked questions

How do I fix a setup error on my Mac?

how to fix-mac-preferences-error

How do I fix a reading error on my Mac?

Open System Preferences > Flash Player and select the Advanced tab. If you are using Safari to view YouTube and Sadari is open, press Command + Option + E to clear Safari’s cache. Shut down Safari and restart it, try the video.

How do I repair a damaged volume on my Mac?

McRepair data volume…

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