Chromebook: Flash player crashing in Chromebook.
I have searched some different and helpful techniques to fix Shockwave Flash problem in chrome - Try these steps:
Test Incognito ModeConduct Scan for Active-X, Registry and Flash ErrorsRemove Shockwave Player/Disable Plugin From BrowsersReinstall Shockwave Flash PluginReregister GCSWF32.dll FileEnable Software Rendering
These troubleshooting techniques will definitely fix this problem.
If issue is not yet resolved then try some techniques mentioned here:Flash Player Crashing in Chrome