Solve Waiting for Other Installations to Complete Mac Error

Have you ever encountered errors message that says waiting for other installations to complete when you try installing macOS on your device? If so, this post will help you solve this installation issue.

The error message that says "Waiting for other installations to complete" is rarely seen when you are running an installer on Mac. If you keep closing this error message, you may get another message that tells you, "The installer is busy. The window can't be closed." Do not panic when you get this error message because here are several fixes you may need:

Fix 1. Force Quit the Installer to Solve Other Installations to Complete the Mac

If the installation process struck at the middle, you may try to force quit the installer like this:

Step 1. Hold Option + Command + Esc to open Force Quit Applications" dialogue.

Step 2. Choose the problematic installer and tap on "Force Quit".

This post may help you when you find Force Quit not working:

Fix 2. Use Terminal to Remove the Installation Lock to Solve Waiting for Other Installation

You may also try deleting the mds.install.lock file with the help of Terminal and reset the software installation if the previous installation got stalled and the installation lock was not cleaned. Here are the detailed steps:

Step 1. Hold Command + Space and type Terminal.

Step 2. When the Terminal is opened, type the following command:

Step 3. Now enter your account password and hit Enter.

Step 4. Then, input the following command and hit Enter again.

Step 5. Now you need to enter your password if asked. You can now run the installer again.

Fix 3. Run Installer in Safe Mode to Fix Other Installation to Complete

If both the methods above fail, you may run the installer in safe mode and rerun your installer following the steps here:

Step 1. Press the power button to shut down your Mac until "Loading startup options" appear.

Step 2. Choose a volume according to your device.

Step 3. Hold the Shift key and click Continue to enter Safe Mode.

You can now try opening your installer again to see if it works. If you find this post helpful, you can then share it to forums like Reddit:

Bonus Tips: Recover Data Lost During Installation Error

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Regardless of the reason for the loss of files—Sequoia crashing, hard drive failure, or partition loss—this Mac data recovery program offers a simple method to retrieve all of your data, including documents, videos, and images.

Here are some features of this Mac data recovery tool:

• Created especially to efficiently recover files lost on Mac as a result of macOS Sequoia crashes.
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Final Words

This post from EaseUS has looked at how you can solve this waiting for other installations to complete Mac. You may first force quit the installer, then use Terminal to remove the installation lock or run your installer in Safe Mode.

FAQs

Here are some frequently asked questions that help solve this problem better:

1. How do I fix waiting for another install to complete Mac?

• Shut down your Mac and restart it.
• Force quit the installer and start again.
• Remove the installation lock by Terminal.

2. How do I force quit an installer on my Mac?

• Select Force Quit by clicking the symbol on the left side of the top menu bar.
• Locate the installer in the resulting window, then Force Quit it.
• Start Activity Monitor, pick the installation from the list of processes, and try to stop it (octagonal button with 'x' in it).