| A kernel panic in Mac OS X operating system occurs | | | | Error: The underlying task reported failure on exit |
| under three circumstances. First, when the kernel of | | | | Disk Utility stopped verifying "Macintosh hd" because |
| Mac OS X operating system receives the instructions | | | | the following error was encountered: |
| in an improper format. Second, when Mac OS X is | | | | The underlying task reported failure on exit |
| unable to recover from file system corruption issue. | | | | 1 HFS volume checked |
| Third, when the user installs a damaged or | | | | Volume needs repair" |
| incompatible software on his/her Mac OS X machine. | | | | After the above error message appears, the data |
| To overcome kernel panic caused due to file system | | | | saved in your Mac hard drive becomes inaccessible. |
| damage, a Mac user needs to run ‘Disk Utility'. | | | | Cause: |
| While almost all the file system problems are resolved | | | | The above error message pops up when the |
| by using the above utility, there are still some that | | | | ‘Disk Utility' fails to repair the corrupted file |
| are beyond the repairing capabilities of this utility. For | | | | system. |
| such situations, the user needs to opt for ‘FSCK' | | | | Resolution: |
| command to repair corrupt file system. But, if this | | | | To resolve the above error message and file system |
| command also fails, then the user needs to search | | | | damage, you need to run a repair utility named |
| for a third-party Mac Data Recovery application, in | | | | ‘FSCK'. However, if the above utility fails to |
| case no backup is available. | | | | repair the corrupted file system and your data |
| Consider a practical case, wherein you encounter a | | | | remains inaccessible, then you will need to use a |
| kernel panic due to file system damage. To | | | | commercial Mac Data Recovery application to |
| overcome the situation, when you run the ‘Disk | | | | recover data. Such Mac File Recovery tools are built |
| Utility' command, you encounter the underneath error | | | | with interactive user-interface and perform complete |
| message: | | | | recovery of lost data post any logical damage, |
| "Volume Header needs minor repair | | | | including file system damage. |
| The volume Macintosh hd needs to be repaired. | | | | |