Start Menu in Windows 10 serves more than just a menu but as a feature that opens the door to practically all your applications and provides easy access to them. The usefulness of having a Start Menu in Windows operating system can not be over-emphasized, it grants you a quick path to programs installed in your system - to reach and execute them without necessarily knowing where they are located within the system.
Image showing a background of non-responding Start Menu
When it malfunctioned it becomes imperative to take action and forestall it or find it difficult to make use of your applications from a rudimentary procedure provided by Microsoft. Windows 10 with its Metro apps attached to Start Menu requires you to be able to open it for you to see the programs you wish to launch.
Nevertheless, to fix a problem with your Start Menu not able to open you would have to take to the step-by-step guidelines below.
Red arrows showing the process
STEP 1: Right-click on your 'Task manager' and select 'Properties' to continue.
Image of red arrows pointing to the process
STEP 2: Click on the 'Navigate' tab and tick the little box close to 'Replace Command Prompt with PowerShell in the menu when I right-click the lower-left corner or press Windows key + X '. Next, click 'Apply' and 'OK'.
Image showing how to run PowerShell as an administrator
STEP 3: Right-click on 'Start Menu' and select 'PowerShell(Admin)' to open PowerShell Command Prompt.
Windows restoring apps in different directories at PowerShell
STEP 4: Type or copy and past Get-AppxPackage | % { Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppxManifest.xml" -verbose } into PowerShell Command Prompt and hit the ENTER key.