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HNX - Error "An error occurred during startup: '1899-12-30' is not a valid date and time
HNX - Error "An error occurred during startup: '1899-12-30' is not a valid date and time

Issue: When initializing the HowNow program, users encounter the following error: “An error occurred during startup: '1899-12-30' is...

Updated over a month ago

Issue: When initializing the HowNow program, users encounter the following error: “An error occurred during startup: '1899-12-30' is not a valid date and time.”


Cause: Kaspersky antivirus blocking parts of network traffic


Workaround/Resolution: We strongly recommend advising the client to consult with their IT department before trying these solutions:

Create an exception within the Kaspersky firewall for the HowNow program.

Alternatively, in a recent occurrence, uninstalling Kaspersky was required for resolution.

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