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please update to GCC 1113 and check if you can connect via USB

if not:
post screenshots of the device manager where we can see the relevant COM port and screenshots of the GCC communication...

Now I am confused. Are we talking about a USB connection? This must work always without any issues.
If your PC tells you that this port is already used then there is something really wrong. Latest...

sorry when you already answered, but are we talking about a GHL Doser 2?

then it may be worth to try the update GCC 1.1.1.3 from today, we changed the timing for GHL Doser 2 connection over WiFi
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We all here try do to our job as good as possible, so it is very appreciated when all forum users here stay calm, objective and polite and focus on finding a solution rather on having useless or...

I replied to you other thread were you also complained about the GCC connection/crashes before I came across this thread here, so please excuse when I repeat myself.

In addition to what MatthiasF...