OWB: Open Workbench crashes or gives a CreateDispatch error on Windows 7 machines

Document ID : KB000049351
Last Modified Date : 14/02/2018
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Description:

Open Workbench will not load on a win7 machine if the font size is medium.

If you start OWB from Start > Programs you get the following error:

Figure 1

If you try to launch a project from Clarity you end up with this error:

Figure 2

Steps to Reproduce:

  1. Install OWB from r13.0.1 onto Windows 7 machine.

  2. Start up OWB and confirm this is ok.

  3. From Start --> Control Panel --> Appearance and Personalization --> Fonts --> Change Font size

  4. Instead of "Smaller - 100% (default)" choose "Medium - 125%" and click Apply.

  5. Accept to restart the machine.

  6. After successful restart, notice that the fonts on desktop and Start menu options is bigger.

  7. Try starting up Open Workbench as in step 2.

Expected Result: OWB to start without error
Actual Result: OWB crashes

Solution:

Workaround:
From Start --> Control Panel --> Appearance and Personalization --> Fonts --> Change Font size to Small.

Accept to restart the machine.

Status:
This was determined to be a combination of two defects CLRT-69075/CLRT-69191 which are fixed in 13.0.1.4.

Keywords: claritykb, clarity13, CreateDispatch, OWB, Launch, Crash.