[TYPO3] How to update extension manager

[Tapio Markula]

James Corell kirjoitti:
> Is this a question or an answer? Either way, I'm confused.

that was question but I had not updated every parts ot typo - 'mod'
folder was not updated. I fixed that.
  Any good
> documentation for troubleshooting the extension manager when upgrading TYPO3
> from 3.8 to 4? I still can't get the extension list.

I have met the same problem. I have been forced to download t3x-files
from web pages. This is very serious issue.