[Elecraft] Windows 10 Update Breaks COM Port for K3 & P3 Utilities

[Don Sayler]

My pc just updated with the April update.

I do not have a P3, but comms between my pc and my K3S are still good.
In my case, the K3 Utility runs on COM3 using an FTDI driver.

K3 Utility 1.16.7.25
K3S # 11310, MCU v05.57.
Windows FTDI Driver 8/16/2017, v2.12.28.0

73,
Don Sayler W7OXR



-----Original Message-----
From: elecraft-bounces at mailman.qth.net [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Wayne Burdick
Sent: Monday, May 28, 2018 4:33 PM
To: Mark Wheeler
Cc: Elecraft Reflector
Subject: Re: [Elecraft] Windows 10 Update Breaks COM Port for K3 & P3 Utilities

Mark,

This, too, appears relevant:
 
   https://www.silabs.com/community/interface/forum.topic.html/cp210x_driver_v101-91Gl

It specifically mentions amateur radio gear, though it?s specific to SiLabs parts. I?m not sure off the top of my head whether it applies to the USB hubs/codecs we use.

A Google search for 

   "com port"  Windows 10 update

turns up numerous complaints about how the latest package has broken comms, including USB, BT, parallel ports, etc. All parties claim they?re ?working on it."

Wayne
N6KR


> On May 28, 2018, at 4:12 AM, Mark Wheeler <mark3575 at icloud.com> wrote:
> 
> Wayne,
> 
> There were tons of problems listed associated with the latest windows 10 update, but none were COM port issues.  The search for a solution continues...  Thanks.
> 
> Mark
> WU6R
> 
> On May 27, 2018, at 06:43 AM, Wayne Burdick <n6kr at elecraft.com> wrote:
> 
>> Try this:
>> 
>> https://www.ghacks.net/2018/05/01/all-the-issues-of-windows-10-version-1803-you-may-run-into/
>> 
>> Wayne
>> 
>> 
>>> On May 27, 2018, at 7:29 AM, Mark Wheeler <mark3575 at icloud.com> wrote:
>>> 
>>> With the latest Windows 10 update earlier this week, my K3S and P3 can no longer communicate with my Windows 10 PC via the USB cables. I?ve gone into Device Manager and right clicked on the COM12 device drive and clicked ?update driver? and that updated from a 2016 driver to a 2017 CM port driver, but neither connect the PC to my K3S or P3. Any suggestions? Thank you.
>>> 
>>> Mark
>>> WU6R
>>> (formally KM6HFR)


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