One handy integration for Pixlr Editor and Pixlr Express is the ability to open images directly from Google Drive. However, if you tried to open an image from Google Drive and ended up on this page, it is because you clicked "Deny" when given the option to connect your Google Drive to Pixlr Editor or Pixlr Express.
Allow Google Drive to access Pixlr apps
Not to worry. This is easy to fix. Simply open Google Drive, choose "Open with" and select the Pixlr app you want to use. When confronted with the choice to enable this integration, choose "Allow".
Need help? Check out this article which walks you through it step by step.