I hope everybody is fine.My VM was fine.next day when i tried to start .it stopped working and shut down
Here is the log
I had 4 snapshots of my virtual machine and i was using 4th snapshot. 1st two snapshots are Working fine. 3rd and fourth snapshot is merged into Parent-child (3rd snapshot became parent) and 4th snapshot (became child). And fourth snap shot is giving error (vdI:ErrorReading pre-header in C:\path to snap shot).00:00:01.813282 VirtualBox VM 6.0.10 r132072 win.amd64 (Jul 12 2019 09:34:54) release log 00:00:01.813289 Log opened 2019-11-01T20:41:20.193933900Z 00:00:01.813290 Build Type: release 00:00:01.813293 OS Product: Windows 8.1 00:00:01.813295 OS Release: 6.3.9600 00:00:01.813296 OS Service Pack: 00:00:01.880233 DMI Product Name: 20351 00:00:01.884300 DMI Product Version: Lenovo G50-70 00:00:01.884310 Host RAM: 6036MB (5.8GB) total, 3277MB (3.2GB) available 00:00:01.884313 Executable: C:\Program Files\Oracle\VirtualBox\VirtualBoxVM.exe 00:00:01.884314 Process ID: 7060 00:00:01.884315 Package type: WINDOWS_64BITS_GENERIC 00:00:01.884882 Installed Extension Packs: 00:00:01.884921 Oracle VM VirtualBox Extension Pack (Version: 6.0.10 r132072; VRDE Module: VBoxVRDP) 00:00:01.885460 Console: Machine state changed to 'Starting' 00:00:02.003463 Qt version: 5.6.2 00:00:02.005274 Console: Machine state changed to 'PoweredOff' 00:00:02.007509 GUI: UIMediumEnumerator: Medium-enumeration finished! 00:00:02.045302 Power up failed (vrc=VINF_SUCCESS, rc=E_FAIL (0X80004005)) 00:00:02.545574 GUI: UIMachineViewNormal::resendSizeHint: Restoring guest size-hint for screen 0 to 1360x684 00:00:02.545656 ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={ab4164db-c13e-4dab-842d-61ee3f0c1e87} aComponent={DisplayWrap} aText={The console is not powered up}, preserve=false aResultDetail=0 00:00:02.546045 GUI: Aborting startup due to power up progress issue detected...
i dont know what happened.i will be very thankfull if any one helps me in this regardCould not open the medium 'C:\Users\user\VirtualBox VMs\security\Snapshots/{ce66bbaf-8fd0-4bda-9c6e-0ba21a994a98}.vdi'. VDI: error reading pre-header in 'C:\Users\user\VirtualBox VMs\security\Snapshots/{ce66bbaf-8fd0-4bda-9c6e-0ba21a994a98}.vdi' (VERR_EOF). VD: error VERR_VD_VDI_INVALID_HEADER opening image file 'C:\Users\user\VirtualBox VMs\security\Snapshots/{ce66bbaf-8fd0-4bda-9c6e-0ba21a994a98}.vdi' (VERR_VD_VDI_INVALID_HEADER).
Best regards