Upgrading Drupal

Well my website has been having a couple little problems and I thought it might be due to the fact that I havn't updated to 6.1 yet. Plus the little warning signs all the time are annoying.

So my questions is, how do I upgrade from 6.0 to 6.1 I have ftp access. Now don't go pointing me to the little support section there unless you know something I don't. Those instructions on upgrading are severely simplified.
I would like to know WHICH files I need to re-install after a fresh 6.1 install to bring my site back to it's old state with the 6.1 upgrades in place.

Hi, i've get the svn version about 2 weeks ago, i loved this cms :P , everything was great..

Now i can't enter the "admin" link.. i click.. no answer from server.. :\
Weird but, i can write to my blog. only the admin link has crashed..

Used poormanscron module but now deleted, this not solved the problem. i always ran cron manually..
How can i do, is there a way to backup contents of my website, and synchronize with (fresh installed) drupal stable? if yes, i'll do :)

Thanks..

I have a brand new 6.1 site but I realise that I can't actually do anything with it until the modules are available and that will take too long for this project, so I need to go back to 5.x.
I use a cpanel installer which now doesn't offer 5.x, only 6.1. How do I roll back to 5.x? It's a vanilla installation. I have a test installation still in 5.x elsewhere - is there a simple way to transfer this to replace the 6.1 installation?
(Can you guess I'm a beginner at this!)
Helen

Hi! :)

Okay, I'm going to sound corny, but I am wondering if anyone is willing to help me out with learning some of the stuff going on here? Specifically - help in writing modules or creating patches to upgrade my existing modules?

I got the following error information when I do database update (Drupal 5.3 ).

Drupal database update

* user warning: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near 'EXISTS ( SELECT * FROM files f2 WHERE f2.filepath = f1.filepath query: SELECT f1.fid, f1.nid, f1.filepath FROM files f1 INNER JOIN node n ON f1.nid = n.nid WHERE n.type = 'image' AND EXISTS ( SELECT * FROM files f2 WHERE f2.filepath = f1.filepath AND f1.fid <> f2.fid AND f1.fid < f2.fid ) in /homepages/88/d1637957900/htdocs/wcces.www/includes/database.mysql.inc on line 172.
* user warning: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near 'EXISTS (SELECT * FROM files WHERE files.fid = file_revisions.fi query: DELETE FROM file_revisions WHERE NOT EXISTS (SELECT * FROM files WHERE files.fid = file_revisions.fid) in /homepages/88/d1637957900/htdocs/wcces.www/includes/database.mysql.inc on line 172.
* Please note that invite now depends on the token module.

Updates were attempted. If you see no failures below, you may proceed happily to the administration pages. Otherwise, you may need to update your database manually. All errors have been logged.

* Main page
* Administration pages

Hello,

I have just installed drupal 6, but there are few modules to use. I would like to install a module in my Drupal 6, but it do'es work. It shows a message:"This version is incompatible with the 6.1 version of Drupal core".

Is't possible tomodify the modules to adapt the 6.1 version of Drupal? If so, how to do it? Thank you very much in advance for your help.