Will import virtual machinesbut the could not be opened

[lutunhsiang]

Hello everybody, I put my desktop's 4.0 virtualbox (4.0.30-100432) produced one virtual machine to export and import the file into ova latest version of virtualbox Tablet PC (4.3.28-100309) inside , but the following screen appears to open, I do not care to delete all files or reinstall virtualbox not work, even after I put the new lift installation and reboot into version 4.0 does not work, ask What is the problem? this virtual machine is a 32-bit machine ubuntu, desktop and tablet PCs are 32 bit version only virtualbox Desktop is version 4.0 and the tablet is the latest version, originally had happened today is to install the latest version of virtualbox (4.3 also when .28-100309) to open a virtual machine inside the following error screen, after releasing the latest version of the younger and replaced with Version 4.0 can be opened, thank you for your help

[noteirak]

Have a look at Windows 4.3.28 Specifically for errors due to Security.