mpack wrote:4.3.12 is not the latest version. Please be explicit about your version number when reporting a problem. Luckily the dialog caption has the actual version.
Try using "Run as administrator" to run the installer. Don't change any of the installation options.
Sorry man, I figured the version number in the picture would be enough. I tried the latest version (running as admin) with the same results. I disabled my avast antivirus b4 installing. Win7 x64.

- VirturalBox Install Error.png (14.6 KiB) Viewed 2238 times

- 2VirturalBox Install Error.png (19.04 KiB) Viewed 2238 times
Here is the original version I had installed:
VirtualBox GUI VM Selector Window 4.3.10 r93012 win.amd64 (Mar 26 2014 18:53:57) release log
00:00:00.996057 Log opened 2014-08-23T15:41:54.919022000Z
00:00:00.996057 Build Type: release
00:00:00.996057 OS Product: Windows 7
00:00:00.996057 OS Release: 6.1.7601
00:00:00.996057 OS Service Pack: 1
00:00:01.003057 DMI Product Name: MS-7680
00:00:01.006057 DMI Product Version: 3.0
00:00:01.006057 Host RAM: 7911MB total, 4552MB available
00:00:01.006057 Executable: C:\Program Files\Oracle\VirtualBox\VirtualBox.exe
00:00:01.006057 Process ID: 7104
00:00:01.006057 Package type: WINDOWS_64BITS_GENERIC
00:00:01.024058 UIMediumEnumerator: Medium-enumeration started...
00:00:01.234070 UIMediumEnumerator: Medium-enumeration finished!
Any help would be appreciated. I will try to reinstall this version.