Sometimes bugs are introduced with EnGuard webmail updates. When a fix is applied with a new update, your browser will have the old code stored in its cache and needs to be cleared out in order to download the new code to resolve an issue you were experiencing.
This tutorial will show you how to clear cache for Chrome in Windows.
Step 1: Go into the Chrome menu, select Settings
Step 2: Select Privacy & Security
Step 3: Under Privacy and security, select Clear browsing data
Step 4: Select All Time from the dropdown
Browsing history (optional to uncheck this)
Check boxes for Cookie and other site data and Cached images and files
Click Clear data
Step 5: Quit Chrome and reopen it.
Navigate to our webmail and it will now download all the new code and fixes into your browser cache.