Bug #86048 Following update of Mysql Workbench, it will not connect to the database
Submitted: 23 Apr 2017 13:57 Modified: 23 Apr 2017 17:59
Reporter: Alistair Mils Email Updates:
Status: Can't repeat Impact on me:
None 
Category:MySQL Workbench Severity:S2 (Serious)
Version:6.3 OS:Windows (Windows 10)
Assigned to: CPU Architecture:Any

[23 Apr 2017 13:57] Alistair Mils
Description:
I updated Mysql Workbench using the Mysql installer.  Mysql Workbench does not connect to databases now.

How to repeat:
Try again
[23 Apr 2017 17:59] MySQL Verification Team
Thank you for the bug report. I couldn't repeat in the below Windows 10 Pro 64-bit environment. Check if for unknown reason your connection file setting was corrupted. 

https://dev.mysql.com/doc/workbench/en/wb-configuring-files.html

MySQL Workbench Community (GPL) for Windows version 6.3.9 CE build 10690321 (64 bit)
Configuration Directory: C:\Users\Miguel\AppData\Roaming\MySQL\Workbench
Data Directory: C:\Program Files\MySQL\MySQL Workbench 6.3 CE
Cairo Version: 1.10.2
OS: Microsoft Windows 10 Pro
CPU: 8x Intel(R) Core(TM) i7-4790 CPU @ 3.60GHz, 16.0 GiB RAM
Active video adapter NVIDIA GeForce GT 720
Installed video RAM: 1024 MB
Current video mode: 3840 x 2160 x 4294967296 colors
Used bit depth: 32
Driver version: 21.21.13.7653
Installed display drivers: C:\WINDOWS\System32\DriverStore\FileRepository\nv_desktop_ref4wu.inf_amd64_39d8ca1ac617325e\nvd3dumx,C:\WINDOWS\System32\DriverStore\FileRepository\nv_desktop_ref4wu.inf_amd64_39d8ca1ac617325e\nvwgf2umx,C:\WINDOWS\System32\DriverStore\FileRepository\nv_desktop_ref4wu.inf_amd64_39d8ca1ac617325e\nvwgf2umx,C:\WINDOWS\System32\DriverStore\FileRepository\nv_desktop_ref4wu.inf_amd64_39d8ca1ac617325e\nvwgf2umx,C:\WINDOWS\System32\DriverStore\FileRepository\nv_desktop_ref4wu.inf_amd64_39d8ca1ac617325e\nvd3dum,C:\WINDOWS\System32\DriverStore\FileRepository\nv_desktop_ref4wu.inf_amd64_39d8ca1ac617325e\nvwgf2um,C:\WINDOWS\System32\DriverStore\FileRepository\nv_desktop_ref4wu.inf_amd64_39d8ca1ac617325e\nvwgf2um,C:\WINDOWS\System32\DriverStore\FileRepository\nv_desktop_ref4wu.inf_amd64_39d8ca1ac617325e\nvwgf2um
Current user language: English (United States)