1. Be sure you are using Google Chrome as your browser, and that you’re using the most up to date version: https://support.google.com/chrome/answer/95414
2. Clear all cache and cookies for all time
3. Use a “clean” URL to access PEAK 15 (rather than a bookmark): https://ORGNAME.peak15systems.com/main.aspx
You can bookmark this URL for ease of use in the future, just be sure to include /main.aspx
4. If you are still seeing the error, enter the clean URL again, hit Enter, and then refresh the browser