After having problems with loosing help in os x applications and loosing my desktop settings & firefox favourites i thought i would verify disk and repair disk permissions. This is what i got when i verified the disk.(Macintosh HD) http://forums.macrumors.com/showthread.php?t=269438 here is the link to the initial problem. Verifying volume “Macintosh HD” Checking HFS Plus volume. Checking Extents Overflow file. Checking Catalog file. Checking multi-linked files. Checking Catalog hierarchy. Checking Extended Attributes file. Checking volume bitmap. Checking volume information. Checking volume information. air",0) The volume Macintosh HD needs to be repaired. Error: The underlying task reported failure on exit 1 HFS volume checked Volume needs repair I am relatively new to macs so want to know what is going on.Please Help!