There is a LOG file in C:\Users\AppData\Local\Autodesk\3dsMax\2020 - 64bit\ENU - every time i try to run Max 2020 it creates new txt file.
EDIT: https://forums.autodesk.com/t5/3ds-max-forum/3ds-max-2020-errors-when-starting/td-p/8752830 Simmilar issue - will try to delete TEMP files. But I got more in my case - something with connecting with [ws://127.0.0.1:61252/ws/v1/sdk], (no idea what that means).
LOG looks like this:
2019-12-06 20:51:42.997 [O] Created AdlSdk Logger level [error], API version [2.4.3.23]
2019-12-06 20:51:42.997 [E] Invalid log level was specified by environment variable ADLSDK_LOG_LEVEL[]; fall back to the default [error].
2019-12-06 20:51:43.039 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:43.246 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:43.449 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:43.672 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:43.876 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:44.089 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:44.292 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:44.495 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:44.709 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:44.912 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:45.115 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:45.324 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:45.532 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:45.734 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:45.938 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:46.151 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:46.354 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:46.557 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:46.760 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:46.975 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:47.184 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:47.396 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:47.604 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:47.807 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:48.021 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:48.224 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:48.427 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:48.630 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:48.843 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:49.046 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:49.249 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:49.463 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:49.666 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:49.869 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:50.072 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:50.286 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:50.488 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:50.702 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:50.906 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:51.108 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:51.312 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:51.525 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:51.728 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:51.932 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:52.135 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:52.348 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:52.562 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:52.764 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:52.978 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:53.181 [E] easywsclient: ERROR: Got bad status connecting to: [ws://127.0.0.1:61252/ws/v1/sdk], [
]
2019-12-06 20:51:53.181 [E] Init() retry limit exceeded connecting to [ws://127.0.0.1:61252/ws/v1/sdk]