Took a look at your logs, 1 & 3 are worthless but 2 looks ugly. There's sample rate mis-matches that need to be corrected. Lots of Rendering lag too, your GPU is overloaded along with some dropped frames & encoding lag. Audio is lagging too, looks like the entire system may be overloaded. Avast may be causing issues too & one of the logs had SE/Java Script errors, check the bottom of the Encoding Performance page for more info on them.
10:36:28.397: Output 'adv_stream': Total frames output: 165335 (165712 attempted)
10:36:28.397: Output 'adv_stream': Total drawn frames: 157625 (166229 attempted)
10:36:28.397: Output 'adv_stream': Number of lagged frames due to rendering lag/stalls: 8604 (5.2%)
10:36:28.397: Output 'adv_stream': Number of dropped frames due to insufficient bandwidth/connection stalls: 377 (0.2%)
10:36:28.398: Video stopped, number of skipped frames due to encoding lag: 11464/166138 (6.9%)
10:36:32.245: audio_thread(Audio): min=0.009 ms, median=1.876 ms, max=15031 ms, 99th percentile=27.051 ms
10:36:32.245: ┗receive_audio: min=0.003 ms, median=1.908 ms, max=76.878 ms, 99th percentile=5.285 ms, 0.794069 calls per parent call
10:36:32.245: ┣buffer_audio: min=0 ms, median=0.001 ms, max=0.537 ms, 99th percentile=0.005 ms
10:36:32.245: ┗do_encode: min=0.018 ms, median=1.904 ms, max=76.829 ms, 99th percentile=5.28 ms
10:36:32.245: ┣encode(Track1): min=0.235 ms, median=1.926 ms, max=6.171 ms, 99th percentile=4.371 ms, 0.00183308 calls per parent call
10:36:32.245: ┣send_packet: min=0 ms, median=0.009 ms, max=1.596 ms, 99th percentile=0.052 ms
10:36:32.245: ┗encode(adv_stream_audio): min=0.014 ms, median=1.892 ms, max=76.821 ms, 99th percentile=5.27 ms
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