the htaccess.txt file is (auto) installed, and is not changed by me.
Just to try :
I copieed the old one, and purged the cache, no change.
So i placed the latest installed back
Al the files (Joomla and JEM) are installed from the back-end, only the database is filled by copiing each different file (only when needed and securely comparing before sending).
As i think of it now:
my site is using a subdomain (joomla and jem in the same subdomain)
The difference between providers:
old provider used:
root
=>
www.mydomain.name
==> data
subdomain
=> subdomain1.mydomain.name
==> data
=> subdomain2.mydomain.name
==> data
new provider:
root
=>
www.mydomain.name
==> data
=> subdomain1.mydomain.name
==> data
=> subdomain2.mydomain.name
==> data
so by the new provider the subdomain is in the same root as www