This prevents you from enjoying the transparency of Windows 7 windows. Indeed, if you try to activate the Aero feature by right-clicking "Customize" on the desktop, you will see a warning appear.Ĭlick on the warning : Troubleshoot problems with transparency and other Aero effects. If the driver is not installed, Windows will tell you about a WDDM compatible driver. To overcome this problem, you need to install the VirtualBox's experimental 3D support. However, you must first enable the 2D and 3D accelerations in your VM configuration. To do this, select your Windows 7 virtual machine and click on Configuration. Then, in the Display section, check the "Enable 3D Acceleration" and "Enable 2D Video Acceleration". Then, you will see (thanks to the colors) that the video memory will have to be at least 128 MB. Move the slider to allocate at least 128 MB of video memory to your Windows 7 virtual machine. Then, go to the Devices menu and click on : Insert Guest Additions CD image. The installation program "VirtualBox Guest Additions" is displayed.Ĭheck the "Direct3D Support (Experimental)" box.Īs indicated by the installation wizard, this system supports the Windows Aero interface (WDDM).Īnswer "No" to this question : Would you like to install basic Direct3D support instead?Īs stated by VirtualBox, the use of the 3D acceleration requires at least 128 MB. Now that 3D acceleration and the Direct3D driver are enabled, you will be able to activate the Aero interface. To do this, right-click "Customize" on the desktop. Select an Aero theme (for example : Windows 7) and the windows will become transparent.I'm running the Windows 7 RC and I'm the Windows Virtual PC Beta along with Virtual Windows XP (a separate download). If you have an application that won't run in Windows 7 by default (they're out there) then you have two choices, aside from getting a version that does work. You have two choices with Compatibility Mode. You can always just right click on the program's Icon and click Compatibility Mode, and "lie" to the program about what version of Windows this is. This isn't just a version fib, it also patches up APIs and generally makes things friendly for your old application.Īlternatively, you can type in "Compatibility" in your Start Menu and select "Run Programs made for previous version of Windows. This will start a troubleshooter that will help you select your app and figure out what it needs. People who know what Virtualization usually assume this means that they'll need to run a Windows XP VM (which they do) and it'll be a hassle (which it isn't) as they'll have a "window of an OS inside their OS." You walk through a Wizard, explaining what worked before (different OS, etc) and it'll suggest what it can do about it. Here's the process, once you've installed Windows Virtual PC and Virtual XP. Run Virtual XP from the Start Menu, or from your "Virtual Machines" folder. Once it's started, install the old application you want. I'm going to install FileZilla, an FTP client. NOTE: There's NOTHING wrong with FileZilla under Windows7. Select "for all users of this computer" during the installation, as you want the icon published to the "All Users" part of the Start Menu. If you don't have this option, you can always move the icon later. Now, shut down the Virtual XP machine by clicking the close icon. Notice in your Windows 7 Start Menu that FileZilla (or whatever) has 's in the Windows 7 Start Menu. Run FileZIlla it from here, like you would any other program. When you run it, there may be a moment where you'll see 'Initializing Virtual Environment, and you might see this dialog: You can, of course, even pin it to the Windows 7 Taskbar. Here you can decide to run the App or the Machine. After I start running Apps, I'll not see this dialog again, unless I start the Machine again directly. Here's FileZilla running from inside the Windows XP VM. It looks like Windows XP (notice the Crayola Colors) but the Windows 7 Task Manager is running over the top of it. You can see the Virtual PC Host Process in the task manager. There's also a "Virtual PC Application Launcher" that you might see.
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