The Krotek

If you have a server error, this most likely means that your server's IP is blocked by BitNinja, which my hosting provider uses.Try to exclude your IP from their blacklist. It's absolutely free.

I can't reproduce it on my Joomla instance, works fine for me. I can look into this issue, but as a paid service only.

I'm sorry, extension is free, but support is not. I can look into this, but only as a paid service. Either way, it uses default Joomla functions to register, login and logout.

See the documentation.

I have no plans to update, sorry.

I dunno. I can look into this on your server, but this will be a paid service.

Check shouts list in admin, remove all shouts without category.

Only by editing the core files.

See the documentation.

See the documentation, check permissions under extension options.

https://thekrotek.com/latest-updates/389-all-joomla-extensions-are-free

Every option has a hint, hover you mouse to see the short description.

Instagram has a read-only API.

There's no "provider button" at all. Check your global store config.