Windows, Linux (Ubuntu, Mint, Debian etc…), MacOS may be affected by this issue if you are using running a guest operating system and trying to use Discord.
In order to resolve this issue follow these simple steps.
- First shutdown your Virtualbox guest instance.
- Next go to select you Virtualbox and click the Settings icons in toolbar.
- Go to Display panel and uncheck ‘Enable 3D Acceleration’
- Click OK to save the settings
Now restart your Virtualbox guest instance and try startup Discord again.
Note: As this entry is being created the latest version of Discord is 0.0.5 for Linux.
Credits:
https://www.reddit.com/r/discordapp/comments/567z0n/tiny7_issues_with_discord_in_virtualbox/