Quote (VashyrApple @ Jul 4 2011 04:03pm)
So what shall I do now exactly ?

Right click your Diablo II icon, go to properties and check your destination bar and delete -ns, if it's there.
Quote (VashyrApple @ Jul 4 2011 03:58pm)
uhm no idea what ns means ?
Should I try to reinstall d2 ?
No, that would be the last thing to do

Try the more common solution and delete your BattleNet cache files:
How to fix your D2 Connection IssueIt might solve your problem.