Getting below error message while starting Windows Server 2012 R2 64 Bit.
Your PC needs to restart.
Please hold down the power button.
Error code: 0x000000C4
Parameters:
0x0000000000000091
0x000000000000000F
0xFFFFF801E5962A80
0x0000000000000000
1. Execute the below command on Windows command prompt to get the name of the VM.(Check the VBox location)
"C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" list vms
2. Then execute the below command on Windows command prompt
"C:\Program Files\Oracle\VirtualBox\VBoxManage.exe" setextradata <<vmname>> VBoxInternal/CPUM/CMPXCHG16B 1
Note1: Replace the <<vmname>> with the name returned in step 1.
Note2: Please set the VM name in quotes if it contains blanks.