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Question

Unable to Check out a Word file in Laserfiche 12 Error: Unable to cast COM object of type'System.__ComObject' to interface type "System.Collection.IEnumerable

Laserfiche Version 12 Web Client

Updated July 3

asked on July 3

Hi everyone,

I'm running into an issue when trying to check out a file from the repository in Laserfiche 12. The error message that appears on the screen is:

Unable to cast COM object of type 'System.__ComObject' to interface type 'System.Collections.IEnumerable'

This happens as soon as I try to check out the document. I've tried restarting the client, and the issue persists. I'm wondering if anyone else has encountered this error before or knows what might be causing it.

Any guidance or suggestions from the community would be greatly appreciated.
Thanks in advance!

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replied on July 3

Hi Guillermo,

The error message is coming from the Laserfiche Microsoft Office Integration plugin component. The message suggests a lower-level error, perhaps from a missing Microsoft Visual C++ (VC++) runtime. As a first troubleshooting step, we recommend repairing or reinstalling the Office Integration and seeing if the error still occurs afterward. If it does, we'd recommend opening a support case.

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Unable to Check out a Word file in Laserfiche 12 Error: Unable to cast COM object of type'System.__ComObject' to interface type "System.Collection.IEnumerable

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