- Switching to Windows Basic, Windows Classic, or High Contrast theme
- Turning off Aero from the "Advanced System Settings" dialogue box
- Starting Windows under Safe mode
- Uninstalling graphics driver or running Windows on virtual machine without any "guest additions"
- Running a software that turns of Aero, like the game "Half Life"
- Ending "Desktop Window Manager" process from the taskbar
- Windows Classic theme does not exist. Windows Basic theme is replaced by Aero light, and High Contrast themes still keeps Aero on.
- It is impossible to turn off Aero from the "Advanced System Settings".
- Starting Windows in Safe Mode keeps Aero enabled
- Uninstalling graphics drivers does not disable aero. Aero still works without virtual machine's guest additions
- No software, thus far, has been able to turn of Aero, including Half-Life and Roller Coaster Tycoon.
- Attempting to end "Desktop Window Manager" process from the taskbar warns that Windows will crash and shut down.
Here's a pic of Aero still running when I switch to a High Contrast theme. Notice that the taskbar thumbnail is present:








