I am runed AVD at the time Emulator was showing error like this

22:34 Emulator: init: Could not find wglGetExtensionsString!

22:34 Emulator: getGLES2ExtensionString: Could not find GLES 2.x config!

22:34 Emulator: Failed to obtain GLES 2.x extensions string!

22:34 Emulator: Could not initialize emulated framebuffer

22:35 Emulator: emulator: ERROR: OpenGLES emulation failed to initialize. Please consider the following troubleshooting steps:

22:35 Emulator: crashhandler_die: fatal: OpenGLES emulation failed to initialize. Please consider the following troubleshooting steps:

22:35 Emulator:

22:35 Emulator: 1. Make sure your GPU drivers are up to date.

22:35 Emulator:

22:35 Emulator: 2. Erase and re-download the emulator ($ANDROID_SDK_ROOT/emulator).

22:35 Emulator:

22:35 Emulator: 3. Try software rendering: Go to Extended Controls > Settings > Advanced tab and change "OpenGL ES renderer (requires restart)" to "Swiftshader".

22:35 Emulator:

22:35 Emulator: Or, run emulator from command line with "-gpu swiftshader_indirect". 4. Please file an issue to https://issuetracker.google.com/issues?q=componentid:192727 and provide your complete CPU/GPU info plus OS and display setup.