How to fix Windows 10 apps that won't launch or hang at loading screen

1. Open PowerShell in administrator mode.
2. Paste the following code (right mouse click) and hit enter:
Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

How to remove top pixels of tabs in Opera

1. Go to Settings (Alt + P).
2. Under User Interface, tick the box next to "Disable tab bar's top spacing when browser window is maximized."