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Regarding USB communication issues with data loggers in Windows environments

hank you very much for your continued use of our products.

We have confirmed that, in some Windows environments, communication via USB connection may not be possible with the USB driver for our measurement instruments. We sincerely apologize for any inconvenience this may cause.

Details

In some Windows environments, communication between the PC and our data logger may not be possible when connected via USB.
If this issue occurs, the following message may be displayed in Device Manager: “Windows cannot verify the digital signature for the drivers required for this device. (Code 52)”

This issue appears to be caused by changes in Windows security specifications, which have resulted in previously used drivers no longer being recognized correctly. Even in environments where the product is currently functioning normally, the same issue may occur after applying Windows Update.

Until a new USB driver becomes available, we kindly ask you to consider refraining from applying Windows Update. We are currently working to provide a driver compatible with the latest Windows environments, and it will be released once it is ready.

Applicable product

  • GL260
  • GL860
  • GL980
  • GL2000
  • GL7000
  • GL240
  • GL840
  • GLT400
  • Other measuremant instruments (with USB support)

Thank you for your understanding and cooperation.

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