J3.7.1:Cannot Upload Files Mime Issues
From Joomla! Documentation
Errors reported
Cannot upload files in Joomla! 3.7.1, fails mime checks
Versions affected
General Information
This pertains only to Joomla! version(s): 3.7.1
What is the cause
This is a bug introduced in Joomla! 3.7.1
How to fix
Test/Apply this patch, or wait for Joomla! 3.7.2