| 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'. While | | | | Cause: |
| almost all the problems are resolved by using the | | | | The above error message pops up when the 'Disk |
| above utility, there are still some that are beyond the | | | | Utility' fails to repair the corrupted file system. |
| repairing capabilities of this utility. For such situations, | | | | Resolution: |
| the user needs to opt for 'FSCK' command to repair | | | | To resolve the above error message and file system |
| corrupt files. But, if this command also fails, then the | | | | damage, you need to run a repair utility named |
| user needs to search for a third-party Mac Data | | | | 'FSCK'. However, if the above utility fails to repair the |
| Recovery application, in case no backup is available. | | | | corrupted file system and your data remains |
| Consider a practical case, wherein you encounter a | | | | inaccessible, then you will need to use a commercial |
| kernel panic due to file system damage. To | | | | Mac Data Recovery application to recover data. Such |
| overcome the situation, when you run the 'Disk Utility' | | | | Mac File Recovery tools are built with interactive |
| command, you encounter the underneath error | | | | user-interface and perform complete recovery of lost |
| message: | | | | data post any logical damage, including file system |
| "Volume Header needs minor repair" | | | | damage. |
| The volume Macintosh hd needs to be repaired. | | | | |