We can't really debug without any source code of the failing program in question (this is a forum to help software developers, not their customers, after all). If you have many similar applications failing on the same machine, then one of your OS components could be malfunctioning and you should ask the Windows guys at answers.microsoft.com. My speculation is that something changed in the certificate store or algorithm, either by design or by corruption, knowing how little in common between Xenocode and Virtual Box. In my case, Windows Security Update KB3045999 caused Windows 7 to be corrupt and unbootable. Euromax 360i hd new software.

I had automatic updates activated and came back to a PC that would not boot and could not be repaired. Fortunately, I had a backup which I reinstalled. The first thing I would then do is update windows and the next thing that would happen would be a corrupt system. After a few attempts, I started installing only half the updates (they were March/April 2015 updates) and ended up with a working system until KB3045999 would be installed. This is on a Windows 7 Professional SP1 which was recently installed (March 2015) from scratch with nothing else installed.

* Windows 7 compatibility: Xenocode is the first virtualization engine in its class to include full support for all editions of the new Windows 7 operating system. * Publish to Web: Publish apps to the web with a single click.