I have experienced this behavior also.

I initially ran FT8 on a old HP 32-bit Pentium computer running Windows 10
and there would be spells where there was a waterfall but Decode would not
light up. Then I noticed that this only seemed to happen when Microsoft
Edge was also running. I used Task Manager to see what was going on and
found that Edge was running in a hog mode where it was using 50% of the CPU
time and over 1 Gig of memory. I tested IE and Chrome and found that they
could also get into a hog mode doing a lot of something - I don't know
what.

I wanted to be able to connect to QRZ to do real time logging so I looked
for another solution. My solution was to buy a refurbished computer from
Walmart for about $135. This was an HP with an Intel Core 2 Duo E8500, 3.16
Ghz, 4 Gb RAM, 64-bits with Windows 10 installed on it. This pretty much
fixed the problem, but I did have an episode last week, but I knew that to
fix the problem I only needed to close Edge and then restart it and
everything would be fine again.

73, Roy, W7IDM


On Wed, Feb 6, 2019 at 7:27 AM Black Michael via wsjt-devel <
wsjt-devel@lists.sourceforge.net> wrote:

> Wireless is not a good choice for SDRs via ethernet....not surprised you
> have problems.
>
> Can you try your Pro 5 with a USB network adapter and see if behaves on a
> wired connection to your LAN?
>
> And are you running SmartSDR with 48kHz sampling?  Or you doing something
> higher than that?
>
> de Mike W9MDB
>
>
>
>
> On Wednesday, February 6, 2019, 8:11:47 AM CST, Bill Barrett <
> w2pky...@gmail.com> wrote:
>
>
> Hello Mike-
> I have the FLEX 6700 on a small dedicated LAN with Win7 Pro I7 computer
> and wireless router that works just fine.
> I also have a Surface Pro 5 running Win10 Pro that can access the 6700
> through FLEX DAX & CAT apps over the wireless LAN.
> Recently started DAX, CAT and WSJT-X 2.0.0 on the SP 5, saw activity on
> DAX Panel and  WSJT-X volume monitor but no decodes.
> The short of it, turned on "Listen" in the Sound > Recording > DAX Audio
> channel 1 and heard total distortion and dropouts.
> Rebooted the SP5 and audio cleared up but occasionally there would be
> multiple 1 second dropouts [3 or 4 in a row].
> Had Process Hacker running and AUDIODG.exe would be the top CPU process
> when the dropouts occurred.
> Normally DAX is the top CPU process followed by AUDIODG.exe.
> Noted even when the priority of DAX and AUDIODG.exe were elevated to
> REALTIME the dropouts still interrupted the audio stream.
> There so either AUDIODG.exe is in a loop or something "undiscoverable" is
> holding up that process.
> Would like to have your test version.
> Thanks;
> Bill W2PKY
>
>
>
>
> On Wed, Feb 6, 2019 at 8:17 AM Black Michael via wsjt-devel <
> wsjt-devel@lists.sourceforge.net> wrote:
>
> If any of you are seeing one of these symptoms.
>
> #1 No decodes when signals are present on the waterfall...decode button
> will just "flash".  This indicates no WAV file was saved.
> #2 During decode having to click Enable Tx or such to get decodes to start
> working.
> #3 Any audio glitches or other behavior that indicates audio problems.
>
> Please contact me for some testing...been doing a lot of audio testing and
> finding different solutions...no one solution seems to be in hand yet.
>
> But...I've got a test version of WSJT-X that should tell you when you have
> audio problems.  First step is recognizing you have a problem :-)
>
> de Mike W9MDB
>
>
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