Trouble after user name changed

[anfieldroad]

hello all, i am a newbie in macbook and mac os x
recently i change my username according to this tutorial
http://support.apple.com/kb/HT1428?viewlocale=en_US
and then i find my desktop cannot be accessed, i google and found a similar case.
http://macosx.com/forums/mac-os-x-system-mac-software/275684-my-desktop-locked-help-please.html
i try to do as same as the above case but i still cannot fixed the problem.

i run ls -la in terminal and the result is as follow:
WhitePIG:~ whitepig$ ls -la
total 960
drwxr-xr-x+ 20 whitepig staff 680 Oct 20 04:11 .
drwxr-xr-x 5 root admin 170 Oct 13 20:14 ..
-rw------- 1 whitepig staff 3 Aug 27 2009 .CFUserTextEncoding
-rw-r--r--@ 1 whitepig staff 12292 Oct 20 04:10 .DS_Store
drwxr-xr-x 2 whitepig staff 68 May 28 19:31 .InstallAnywhere
drwx------ 2 whitepig staff 68 Oct 20 04:11 .Trash
-rw------- 1 whitepig staff 879 Oct 20 04:26 .bash_history
drwx------ 3 whitepig staff 102 Sep 26 03:47 .cups
-rw-r--r-- 1 whitepig staff 458244 Oct 8 11:00 .fonts.cache-1
-rw-r--r-- 1 whitepig staff 205 Oct 8 11:00 .mime.types
drwx------+ 4 501 staff 136 Jan 28 2010 Desktop
drwx------+ 7 whitepig staff 238 Oct 9 03:35 Documents
drwx---rwx+ 9 whitepig staff 306 Oct 20 04:09 Downloads
drwx------+ 41 whitepig staff 1394 Jul 6 19:13 Library
drwx------+ 3 whitepig staff 102 Aug 27 2009 Movies
drwx------+ 5 whitepig staff 170 Jan 12 2010 Music
drwx------+ 11 whitepig staff 374 Sep 26 21:42 Pictures
drwxr-xr-x+ 6 whitepig staff 204 Jan 12 2010 Public
lrwxr-xr-x 1 whitepig staff 60 Aug 27 2009 Send Registration -> /Users/abcdefg/Library/Assistants/Send Registration.setup
drwxr-xr-x+ 6 whitepig staff 204 Jan 15 2010 Sites


1. desktop is showing 501
2. abcdefg is my old user name
3. whitepig is my new name

anyone can teach how to fix? thanks!

 

[Giaguara]

Hi anfie.
There are two ways of changing the username, and which to use depends on the version of Mac OS X you are running.
Which version of Mac OS X are you running?
Did you use the method described first or second in that Apple KB?
The thread you found here is describing a fix that worked in 10.3. However your system is likely much newer.

So back to basics... system version, which syntax you used etc.
And is this on a new Mac? Or how long have you been using it? (It will be different if there are no personal files in it than if you've been using it for years)
Do you have the install discs that came with that Mac, just in case?