Open the program’s settings and disable “Start with Windows,” “Launch at login,” or similar options
Use Task Manager and disable the app in the Startup tab
Use System Settings and remove the app from Login Items
Check the app’s preferences for auto-start, background launch, or tray startup options
Remove the app from your startup folder
Disable the app’s scheduled task or startup service if it created one
Uninstall the program if you no longer want it to run automatically
Restart the device to confirm it no longer starts automatically