Windows 10 start button critical error

I get the error message which says "Critical error- Your start menu isn't working. We'll try to fix it next time you sign in. <Sign out now>"
It came, went and now its broken again.

Suggestions :
Assuming RIGHT click at the Start button still works.......
1.Right click at Start button > click Command Prompt (Admin) > type powershell > press Enter key.
At the flashing prompt, copy and paste this command line ( to avoid typo it's best to apply Copy/paste method)......

Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

> press Enter.
When it is done, check if you can open Start Menu.

2. Create another user account with exactly the same privileges as the one you are using now > logon to it and see if you have the same problem.

billy268 said:

Suggestions :
Assuming RIGHT click at the Start button still works.......
1.Right click at Start button > click Command Prompt (Admin) > type powershell > press Enter key.
At the flashing prompt, copy and paste this command line ( to avoid typo it's best to apply Copy/paste method)......

Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml"}

> press Enter.
When it is done, check if you can open Start Menu.

2. Create another user account with exactly the same privileges as the one you are using now > logon to it and see if you have the same problem.

If you can't right click the start menu press the windows key and r at the same time. Then type in powershell and continue with the quoted instructions

Not being paranoid but is this a tried and tested workaround to a known bug issue?

Maugli said:

Not being paranoid but is this a tried and tested workaround to a known bug issue?

Yes. I did not make this one up. It has been widely used by users for the same problem.
It is not 100%, but the batting average is very good.

It's just I'm new to this forum and I am not confident I want to put a script like this in. Can you tell me the source of this information?

Maugli said:

It's just I'm new to this forum and I am not confident I want to put a script like this in. Can you tell me the source of this information?

I ran this command myself to see what it did, and it has caused some problems with the modern apps, many of them
no longer working. SFC /scannow and DISM /online /cleanup-image /restorehealth have not helped.
Going to try system restore now.

I made a new user account with administration privileges and applied the new Windows updates and things seem to be working. So far...