I had the same problem.
To fix it I opened the .HTACCESS in the zc_install folder and changed:
#SecFilterEngine off
#SecFilterScanPOST Off
to
SecFilterEngine off
SecFilterScanPOST Off
In other words, un-commented the 2 lines.
I had the same problem.
To fix it I opened the .HTACCESS in the zc_install folder and changed:
#SecFilterEngine off
#SecFilterScanPOST Off
to
SecFilterEngine off
SecFilterScanPOST Off
In other words, un-commented the 2 lines.