Just days ago, I wrote an article about installing Windows 8 Release Preview using virtualization software, namely VirtualBox.

I chose this solution because it seemed to have great overall results and is a free way to get the job done. That being said, it isn’t perfect.

One MAJOR issue that I ran into was trying to get higher resolutions to work. When I first tried it, I had yet to install the drivers for Guest Additions.

Now that I have?

Well, apparently, many users, including myself, have run into a problem where Guest Additions allows you to upsize your resolution but it also results in a very unstable Metro app experience.

Half the time the apps wouldn’t load after installing guest additions, and I tried a variety of different resolution settings. Research made it clear that this wasn’t just a problem for me, others had ran in to the same issue.

The easiest solution is to just deal with side bars, I suppose, but if you are like me, that just isn’t going to work. So what’s next when attempting to fix the problem?

The first thing you should do if you are running into flickering and other Metro issues, is to make sure you have the latest version, as this version has the least amount of Windows 8 Release Preview issues.

Once you are certain that you have the latest software, there are still some fixes you can try.

Windows 8 Release Preview needs pretty solid specs to run, but a dual core should be a good start, though a tri or quad is even better. In the settings go and assign more cores, that could solve the problem right there. By default, Virtual Box is probably just using a single core for the virtualization.

Still no go? Try turning on “Use host I/O Cache” in storage settings, this is what worked for me personally.

If this didn’t work, you will need to restore under the Windows 8 Release Preview settings and just stick with side-bars.

From the sounds of it, following the above steps solves more than half of the problems users had with Virtual Box, if none of this helped you, I’d just deal with the sidebars or go with a full dual-boot.

It’s also possible that a later Virtual Box update could solve all your problems.

Please note, similar issues exist in other Virtualization solutions, so installing something like VMware may not work any better for you.

Have you used Virtual Box?

Did you run into any problems?

Share your thoughts below.

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