My ibook G4 has recently been running extremely slow, locking up especially in Safari. I searched around and read about checking your disk utility. I ran that but before it completes, I get this error and the option to repair this disk (where there is a problem it says, doesn't become active. Error Message is below: 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. Volume Header needs minor repair d.",1) Macintosh HD Error: The underlying task reported failure on exit 1 HFS volume checked Volume needs repair Any help would be greatly appreciated.