Sorry for taking so long to get back to you. I have .dll version 2.7. The on-board COM is COM1 and the USB COM is COM5. I checked the voltage on the RTS and DTR lines and both are approximately -11V. I compared this to my old XP system and it is the same until the TC0832.dll driver is loaded then RT...

Yes. This worked fine on my old XP box, but I just replaced it with a new system.

It is a desktop with an Intel DH61BE motherboard and an i-5 CPU. Since my post I have tried this with a USB serial adapter and got the same results.

I am trying to run PicoLog 5.22.6 with a TC08 serial datalogger, but every time I try to select the input channel I get the error message "Driver 'TC0832.dll' not found". I have tried running it as Administrator, installing using the XP compatability mode and several other things, but nothing seems ...