P.S. I see addnode command don't work here
Paste this nodes to your conf file. (https://chainz.cryptoid.info/bsx/#!network)
addnode=101.108.105.240
addnode=101.108.108.113
addnode=104.174.90.86
addnode=105.101.186.130
addnode=106.240.7.189
addnode=109.189.112.69
addnode=111.68.120.122
addnode=112.10.191.127
addnode=112.216.67.218
addnode=113.167.87.140
addnode=114.109.50.229
addnode=118.69.35.31
addnode=119.76.29.250
addnode=119.76.32.71
addnode=121.143.159.229
addnode=121.191.51.179
addnode=126.71.78.62
addnode=13.125.12.44
addnode=13.84.176.233
addnode=134.17.181.184
addnode=134.236.34.118
addnode=134.236.35.87
addnode=136.62.75.136
addnode=14.207.183.26
addnode=14.244.85.210
addnode=159.118.204.163
addnode=159.192.216.168
addnode=159.192.223.109
addnode=159.203.188.193
addnode=163.158.91.215
addnode=163.44.197.199
addnode=164.132.113.250
addnode=171.100.83.5
addnode=171.224.87.17
addnode=171.6.166.25
addnode=171.6.235.32
addnode=171.7.110.234
addnode=171.7.238.12
addnode=171.97.198.69
addnode=175.215.42.241
addnode=176.109.14.9
addnode=176.222.155.205
addnode=176.222.178.22
addnode=176.60.0.205
addnode=177.40.238.121
addnode=177.47.114.155
addnode=178.219.42.203
addnode=178.74.214.16
addnode=179.178.3.108
addnode=179.199.154.244
addnode=179.98.232.187
addnode=18.196.251.71
addnode=18.222.34.78
addnode=180.180.63.83
addnode=180.245.179.247
addnode=183.89.61.30
addnode=184.22.242.82
addnode=184.22.97.220
addnode=185.144.156.228
addnode=185.144.157.144
addnode=185.203.117.219
addnode=185.22.174.52
addnode=185.61.79.125
addnode=186.43.56.2
addnode=187.101.228.234
addnode=187.11.12.41
addnode=187.182.50.75
addnode=188.116.128.51
addnode=188.121.204.171
addnode=188.241.25.223
addnode=188.37.145.91
addnode=188.94.32.19
addnode=189.19.155.122
addnode=191.250.4.38
addnode=193.124.59.164
addnode=194.228.11.61
addnode=2.51.61.74
addnode=202.29.179.219
addnode=203.170.125.143
addnode=203.238.66.242
addnode=212.187.67.40
addnode=212.90.62.76
addnode=213.111.74.231
addnode=213.184.25.82
addnode=217.114.228.94
addnode=217.245.193.121
addnode=221.132.174.76
addnode=221.165.61.152
addnode=223.204.96.69
addnode=223.205.84.61
addnode=223.206.93.148
addnode=223.207.109.183
addnode=223.24.131.12
addnode=223.24.14.104
addnode=223.24.38.254
addnode=24.127.126.183
addnode=24.65.134.222
addnode=27.145.56.36
addnode=31.135.84.194
addnode=31.40.16.193
addnode=35.180.9.38
addnode=36.72.48.216
addnode=37.204.136.37
addnode=37.9.31.152
addnode=37.9.31.164
addnode=37.99.122.20
addnode=42.189.1.23
addnode=45.26.47.239
addnode=45.77.71.80
addnode=46.166.100.26
addnode=46.181.84.163
addnode=46.4.103.28
addnode=46.7.172.184
addnode=49.228.48.255
addnode=49.49.233.148
addnode=49.49.244.4
addnode=5.135.47.96
addnode=5.139.218.8
addnode=5.9.84.141
addnode=51.15.162.24
addnode=58.10.86.161
addnode=61.82.185.63
addnode=62.192.61.131
addnode=62.77.152.57
addnode=62.77.153.178
addnode=64.231.227.30
addnode=67.168.196.238
addnode=67.188.84.43
addnode=68.107.222.183
addnode=72.234.189.213
addnode=73.149.45.147
addnode=73.168.222.36
addnode=73.204.213.235
addnode=73.25.13.118
addnode=73.44.43.213
addnode=73.76.100.80
addnode=74.134.102.170
addnode=75.173.168.47
addnode=77.45.205.242
addnode=77.93.110.194
addnode=77.93.54.196
addnode=78.137.22.67
addnode=79.168.179.246
addnode=82.114.225.167
addnode=82.38.28.117
addnode=83.147.108.52
addnode=83.219.150.243
addnode=83.243.67.227
addnode=84.161.155.130
addnode=84.227.14.29
addnode=85.173.17.212
addnode=85.175.254.102
addnode=86.120.247.215
addnode=87.252.225.108
addnode=88.182.215.244
addnode=88.207.185.223
addnode=89.133.104.190
addnode=89.176.251.62
addnode=92.238.120.156
addnode=92.241.124.63
addnode=93.34.239.151
addnode=93.35.61.107
addnode=93.76.0.1
addnode=93.84.159.243
addnode=94.181.44.124
addnode=94.34.186.131
addnode=95.47.98.39
addnode=95.85.212.225
addnode=96.30.103.209
addnode=96.30.108.57
addnode=98.25.195.182
addnode=98.254.239.107
addnode=99.33.81.101
Also. BSX devs released new wallet few days ago.
You shuold download new windows wallet. I just downloaded from OP today. It sync even without conf file.