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34405a firmware checking error

Question asked by yohanc on Jun 15, 2017


I have a 34405a digital multimeter that i want to connect to a desktop PC on Windows 7.

When it appear in the device manager the error message is : device can not start (code 10)

So i have tried to upgrade the firmware of my multimeter ,the current version is the 1.40-3.08. i have established the comunication with a pc on XP i can connect the device to the update utility software 1.50-3.14 but when i click on upload software i have : Firmware checking condition set in engineer program is invalid.


does anyone know how to update the software or make the device work on Windows 7 by another way?