MySQL Bugs: #91802: MySQL Workbench does not connect to local database

Bug #91802	MySQL Workbench does not connect to local database
Submitted:	26 Jul 2018 14:22	Modified:	26 Jul 2018 15:45
Reporter:	FERNAN CARVAJAL	Email Updates:
Status:	Can't repeat	Impact on me:	None
Category:	MySQL Workbench	Severity:	S2 (Serious)
Version:	6.3.10 Build 12092614 CE (64bit)	OS:	Windows (Windows 10 ver. 1803)
Assigned to:		CPU Architecture:	x86 (AMD64)
Tags:	crash, Error on connection, localhost, workbench

Description:
When I try to edit and test the localhost default connection, the Workbench display an error: 

Un componente externo produjo una excepción

We are sorry for the inconvenience but an unexpected exception has been raised by one of the MySQL Workbench modules. In order to fix this issue we would kindly ask you to file a bug report. You can do that by pressing the [Report Bug] button below. 

Please make sure to include a detailed description of your actions that lead to this problem.

Thanks a lot for taking the time to help us improve MySQL Workbench!

The MySQL Workbench Team

How to repeat:
1. Install XAMMP and configure MYSQL with default options.
2. Desinstall XAMMP and delete all folders that this installation.
3. Install MySQL workbench, Mysql server and any odbc connectors with default options and the last versions.
4. Configure SQL Server with default options, included a password to root.
5. Open mysqlk workbench and select the default connection to edit it.
6. Clic on test connection.

More information:
MySQL Workbench Community (GPL) for Windows version 6.3.10 CE build 12092614 (64 bit)
Configuration Directory: C:\Users\Admin\AppData\Roaming\MySQL\Workbench
Data Directory: C:\Program Files\MySQL\MySQL Workbench 6.3 CE
Cairo Version: 1.10.2
OS: Microsoft Windows 10 Enterprise
CPU: 4x AMD A10-5750M APU with Radeon(tm) HD Graphics  , 5.2 GiB RAM
Active video adapter AMD Radeon HD 8650G
Installed video RAM: 768 MB
Current video mode: 1366 x 768 x 4294967296 colores
Used bit depth: 32
Driver version: 15.200.1045.0
Installed display drivers: aticfx64.dll,aticfx64.dll,aticfx64.dll,amdxc64.dll
Current user language: Español (Colombia)

Workbench LOG File

Attachment: wb.log (application/octet-stream, text), 2.28 KiB.

Thank you for the bug report. Please try version development release 8.0.11 rc.

https://dev.mysql.com/downloads/workbench/