Upgrading Drupal

I'm running drupal 4.7.2 and am thinking of upgrading to 5.X I need to know though will an upgrade effect the user database tables? I'm also running a script called amember(http://amember.com) that works with the database to create subscriptions for different user levels. If an upgrade will effect the user database then I don't think I can upgrade, but feel like I should as it has been over a year. Does anyone know if an upgrade to 5 would cause problems for me? Thanks.

Can someone please tell me how to get rid of the Drupal name in the header?? I changed the logo, but the name is still there.

Thanks in advance.

John

Hello,

I'm making a new drupal site (that includes a new theme and new - extra node types). this site will replace an existing (faulty site) that wasn't created by me (the old site loses the session and shows a white screen on every node post and database update).

do you know of a good method to pass the content (nodes and comments) and possibly the users db to the new site.

Thanks

Nir Harel

please tell me how to upgrade from 5.3 to 6

lucid drop down menu position changes due to additional block while loging in different users how can i correct....

my drop down menu is been appearing some place away from my menu... how can i correct it....