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Error: [The file name is empty or contains only whitespace] or [The file exists]

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Exclaimer Support
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Relevant Products: Signature Manager Outlook Edition

Scenario

You are using Exclaimer Signature Manager Outlook Edition, and you notice either one of the following errors in the Event Log:

Error: The file name is empty or contains only whitespace. Parameter name: fileName Information: System.ArgumentException: The file name is empty or contains only whitespace. Parameter name: fileName

OR

ERROR: Information: System.IO.IOException: The file exists.

Reason

These errors are displayed when the number of temporary files reaches a given number. For example ~65K.

There are a number of reasons why this can happen, but generally, temporary files simply tend to build up over time.

Resolution

Temporary files used by Signature Manager Outlook Edition adopt the naming convention of: tmpXXXX.tmp.

To resolve this error:

  1. Delete these files from the following locations:
    - C:\Windows\Temp
    - C:\Temp
    - %temp%

Once these files have been deleted, access the Exclaimer console and make any minor change to the configuration then save the changes.

The error will now not be displayed in the event log.


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