Bug #117923 unable to open workbench it encounter problem
Submitted: 9 Apr 11:08 Modified: 10 Apr 8:23
Reporter: Mithra devi G Email Updates:
Status: Duplicate Impact on me:
None 
Category:MySQL Workbench Severity:S3 (Non-critical)
Version: OS:Any
Assigned to: CPU Architecture:Any

[9 Apr 11:08] Mithra devi G 
Description:
while opening mysql workbench by clicking on the mysql connection created it result in mysql workbench has encounted a problem parameter is not valid.
then followed by this message
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:
while opening mysql workbench by clicking on the mysql connection created it result in mysql workbench has encounted a problem parameter is not valid.
then followed by this message
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
[10 Apr 8:23] MySQL Verification Team 
Hello Mithra devi G,

Thank you for the bug report and feedback.
Imho this is duplicate of Bug #99285, please see Bug #99285 and follow
the suggested fix.

regards,
Umesh