Open Task Manager
Go to the Startup tab
Find the program
Right-click the program
Select Disable
Open Settings
Go to Apps
Select Startup
Turn off the program
Open the program’s own settings
Disable launch at startup
Check the system tray
Right-click the program icon
Look for startup options
Turn off automatic start
Open Task Scheduler
Find any startup task for the program
Disable or delete the task
Check the Startup folder
Remove the program shortcut from the folder
Restart the computer
Verify the program no longer opens on startup