So, the fix is: 1.Mount external drive to PC with windows os and it will be fixed by windows disk utility.
2. Before unmount external drive from your mac at first you need to close parallels application otherwise files corrupt.
That's correct if Windows virtual machine is running config.pvs file in use.
You need to shutdown Windows virtual machine before unmounting External HDD running the virtual machine.
In Windows virtual machine config.pvs damages lead to "The specified bundle is invalid"
Check this KB article for more information.