id summary reporter owner description type status component version resolution keywords cc guest host 11927 Windows Server 2012 R2 Installation error in Virtual Box Murukesh "I have Virtual Box running in Windows 7 Professional 64 Bit,i7 processor and 32GB DDR3 (Dell Precision M 4700 Mobile Workstation).I have installed Windows Server 2012 Standard successfully in Virtual Box. But tried to install Windows Server 2012 R2 in Virtual Box (system Settings-2 Processor, 4GB RAM, 70GB HDD Fixed) it showing error message Your PC needs to restart. Please hold down the power button Error Code :0x000000c4 Parameters: 0x0000000000000091 0x000000000000000F 0xFFFFF80041BCAA80 0x0000000000000000 I tried with different media (DVD) but the same error occurred. " defect closed guest additions VirtualBox 4.2.14 duplicate Windows Server 2012 R2 Windows Windows