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ENM Monitoring and Diagnostics pages display "[Invalid Date]" for timestamps

Issue
 
The Event Notification Module Monitoring and Diagnostics pages display "[Invalid Date]" for timestamp columns instead of the timestamp.
 
Environment
 
PowerSCADA Expert 8.1, Power Monitoring Expert 8.1
 
Product Line

 
ENM 8.3, ENM 8.3.1, ENM 8.3.2
 
Cause
 
Some local setting use special characters in "AM" and "PM" notation.  This has been observed with Italian (Switzerland) and Chinese (Singapore).  When Windows is configured to use one of those locales, the code that renders the timestamps in the Monitoring and Diasgostics pages will not be able to properly format the timestamp and will, instead, show "[Invalid Date]".
 
Resolution
 
Changing the Windows locale can correct this behavior. For example, Italian (Italy) or Chinese (China) would be sutible replacements for the indicated locales.  These settings can be found under 'Region and Language' in Windows Control Panel.
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