Android Error Message: System UI has stopped

After using Eclipse to develop Android Apps, I suddenly began receiving the error message “Unfortunately, System UI has stopped” when using the emulator. Generally, the configuration seems right and emulator seemed to work, this was a strange surprise after selecting to test against a device I had not used to test against previously. When I ran the emulator for the specific device, it would take to much time loading and an error dialog displayed on screen

Searching the net, I found my solution. To solve the problem:”

  1. Go to the device .avd directory. In Windows 7/x64, the directory is found at:
    C:/Users//.android/avd/.avd/
  2. Open the file config.ini in that directory
  3. Set hw.mainKeys=yes (instead of the current value no)

That seems to solve the problem.

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