After 5 months of struggling - the problem is gone after installing (KB3152599).
Hallelujah!

Nothing helps :-/
Even repair install doesn't. It's been 4 month already without Start button for me.
Waiting for next massive update. If it doesn't help - will have to make a clean reinstall,...

My antivirus doesn't like this script... And the author is banned on this forum.
I won't risk.

Didn't work for me. Basicly I think because of the fact that in my case Start button doesn't work even for newly crated accounts.
I still believe - there's something wrong with file permissions....

I truly think - it's just ONE of the reasons. There must be a lot more. The whole system with modern apps is all buggy.

Thank you, Kari. The relocating was OK.
As I found, the trouble was just in another place. You can read my post in another thread.

I think, I finally found origins of the trouble.
It's all about "Settings/System/Storage/Save locations" settings. When you change "New apps will save to" value from default disk to disk D:, (for...

I'm very sorry to bother everyone here, but I'm in total despair.
Some days ago Start button and apps stopped working on my laptop. I tried all possible methods to repair, but was unlucky. Finally,...

I have made a clean reinstall of Windows 10 with formatting of all disks. And what?
Apps stopped working after 2 minutes of first log-on. I didn't ever managed to install a single driver or third...

It seems like getting a .WIM file is a problem now. Because the link to the Tech Bench page no longer works :(

P.S. Sorry. Seems like some temporary problems took place. The page is reachable...

I am another one in the club.

Start button and apps stopped working both on my laptop and desktop on the same day! No methods help.

On desktop Start button keeps working for Admin account and...