Mail gets stuck when trying to rebuild its database

Question

Hi
I carefully followed these instructions and waited for an hour. No way.
Please see screenshot. Hope you can help. Thanks.

Answer 1

After verifying the disk I'm getting the following message:
"First Aid Failed
Disk Utility stopped verifying "Macintosh HD because the following error was encountered:
The underlying task reported failure on exit"
And, when I click ok, I'm back to step one.
This is what the consol says:
"Verifying volume “Macintosh HD”
Checking HFS Plus volume.
Checking Extents Overflow file.
Checking Catalog file.
Illegal name
Illegal name
Checking multi-linked files.
g Catalog hierarchy.",0)
Checking Extended Attributes file.
Checking volume bitmap.
Checking volume information.
Volume Header needs minor repair
,"The volume %@ needs to be repaired.",1)
Macintosh HD
Error: The underlying task reported failure on exit
1 HFS volume checked
Volume needs repair"
iMac G5 20", MacBook Pro 2Ghz Mac OS X (10.4.5)