Make broken Start menu and Cortana to function again. Getting closer to the launch date of Windows 10, but still the preview builds at present aren’t stable enough for daily use. Start menu and cortana doesn’t open. If you’re experiencing this issue in Windows 10 insider Preview builds, try the following solution, it worked for me.
READ: PCs that Cannot Run Windows 10 will see Upgrade icon After July 29, 2015
Fix: Start Menu and Cortana doesn’t work in Windows 10 build 10122
1. Open run command, type PowerShell and press enter to open it
2. Right click on its icon on taskbar and select Run as administrator
3. Paste the below script
Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}
4. Wait for the Powershell to complete the process, ignore any errors if displayed in the window.
ALSO SEE:Windows 10 build 10122 Default Apps Issue: How to set Chrome as default browser?
5. Once Powershell completes the process, click on the start button, start menu opens and cortana also works.
