Cron job running?
The first error mention could be a result the cron job/task that checks sessions ... and cleans them up ... syncs them ... isn't working.
The other ...
And in 'H:/xampp/htdocs/inicio/xmlrpc.php' not found or unable to stat
Not found ... well you could browse files to see if that's true, right?
or unable to stat ... is php-xmlrpc extension to php installed?
Your PHP info page at the top does show what extensions running ...
Ok yeah I understand you have no issue uploading ... it's 0 byte downloads ... still though, humor me ... what are those settings ... plus other settings like memory for a script to use, how long a script can run ...
Like I said ... don't run Windows ... maybe I should back out of this and let a true Windows person take over. Anyone?