id summary reporter owner description type status component version resolution keywords cc guest host 14263 Unable to start Windows 10 64 build 10162 (preview) guest under i686 Linux host: The digital signature for this file couldn't be verified Artem S. Tashkinov "I have troubles trying to run the preview of Windows 10 64 build 10162 (Windows10_InsiderPreview_x64_EN-US_10162.iso) under Linux (i686 PAE) using VirtualBox 5.0. When I try to boot my Windows 10 64 guest I see this error message: Recovery Your PC/Device needs to be repaired The digital signature for this file couldn't be verified. Error code: 0xc0000428 My ISO file is correct (verified using SHA1 hash: 31346458255afeac1afeed5c4c61f15d57708b9b) My host is: Linux 4.1.0 i686 PAE, 16GB of RAM My guest is: Windows 10 64 People with a totally different HW configuration also have this problem. This is a cross post from here: https://forums.virtualbox.org/viewtopic.php?f=2&t=68840" defect reopened other VirtualBox 5.0.0 Windows Linux