These errors occur when installer processes from previous installations are still running in the background, preventing new installations or updates from starting.
Save your work before closing any apps to prevent data loss.
This error appears when a previous installation hasn't fully closed, or a related process is still active in the background. Follow these steps to close background processes for your operating system.
Press Ctrl + Shift + Esc to open the Task Manager.
Select the Details tab.
In the search box, look for any of the following processes you want to close.
Right-click each conflicting process and select End task.
Once all related processes are closed, select Retry to install or update again.
If the issue doesn't resolve, restart your computer and try the installation again.
Press Command + Spacebar to open Spotlight Search and type Activity Monitor.
In the Activity Monitor, select View > All Processes from the menu bar.
In the search box, look for any of the following processes you want to close.
Double-click the conflicting process from the list.
Select Quit. If prompted, select Force Quit.
Repeat for any additional conflicting processes.
Select Retry to install or update again.
If the issue doesn't resolve, restart your computer and try the installation again.
