Are u stack when installin Ubuntu Dapper Drake on virtual pc 2004,
Follow this trick..

Create a new virtual machine
1. Start Microsoft Virtual PC 2004.
2. Create a new virtual machine by clicking the “New” button. Follow the New Virtual Machine
Wizard.
2.1. Click “Next” and Select the “Create a virtual machine” option. Click “Next”.
2.2. Fill the Name the virtual machine. For example: “Ubuntu”. Click “Next”.
2.3. Select “Other” on the Operating System Options. Click “Next” Again.
2.4. Recommended RAM of 128MB. Select “Adjusting the RAM” and configure for at least
256MB. Click “Next”
2.5. Select the virtual disk option. Use “A new virtual hard disk”. Click “Next”
2.6. Specify the Virtual Hard Disk Location. Click “Next”
2.7. Click “Finish” to create the new virtual machine.
3. Start the virtual machine. The “BIOS” will boot. If you want to install from the ISO file, click the CD menu and select “Capture ISO Image…” then browse the “ubuntu-6.06.iso” file.
4. After ubuntu boot screen up, then hit the “ESC” key, and “ENTER” when the windows box confirmation show up. (see skrinsut)
5. When “boot” Prompt show up,
just type “install debian-installer/framebuffer=false”, hit “ENTER” and follow the instruction like usually. (see skrinsut)
6. When Finish and restart, en you can get the messy Xwindows environment, hehehe..
Press Crtl+Alt+F1. Login With Your Usernamer and type “sudo dpkg-reconfigure xserver-xorg”,
When Windows box come up, (see skrinsut)
choose the default setting with pressing “ENTER”, When the color depth settings come up select “16″, (see skrinsut)
Finishing, press Ctrl+Alt+F7, then press Ctrl+Alt+Backspace. Wait for a while when Ubuntu reset and comeback with graphical user interface you want..

Note:
debian-installer/framebuffer=false - will tell the installer NOT to install the framebuffer..:D