I cant start mining even only 1 card in 1.38, but 1.35 is total normally. The config is all the same.
Windows 10, AMD RX 6600


00:00:00 [2022-01-13 00:49:50.048]
00:00:00 [2022-01-13 00:49:50.048] GPU0 gfx1032 8GB added to miner as OpenCL device
00:00:00 [2022-01-13 00:49:50.048] Trying eth-hk.flexpool.io:4444 (ethash)
00:00:00 [2022-01-13 00:49:50.075] GPU0 Started CL work thread
00:00:00 [2022-01-13 00:49:50.095] Pool responded successfully to subscribe
00:00:00 [2022-01-13 00:49:50.123] Pool responded successfully to extranonce subscribe
00:00:00 [2022-01-13 00:49:50.140] Pool responded successfully to authorize
00:00:00 [2022-01-13 00:49:50.140] Difficulty is set to 0.931308
00:00:00 [2022-01-13 00:49:50.156] GPU0 Starting generating ethash dag (Epoch: 466)
0x00007FFA39C23E49 (0x00000090F7EFA7B8 0x0000021DA9B889B0 0x00000090F7EFA730 0x0000021D00000000), RaiseException() + 0x69 bytes(s)
0x00007FFA2A894572 (0x00007FF6062B0000 0x00000090F7EFA880 0x0000021DA99E8220 0x00000000FFFFFFF5), _CxxThrowException() + 0xC2 bytes(s)
0x00007FF6062EB03F (0x00000090F7EFA880 0x0000021D96A02210 0x00000090F7EFA888 0x0000021DA9724130)
0x00007FF6062EE004 (0x0000000000000000 0x0000000000000000 0x00007FF606354501 0x00000000000001D2)
0x00007FF606324C4B (0x0000021D969CA070 0x0000000000000000 0x0000000000000000 0x0000000000000000)
0x00007FFA399F14C2 (0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000000), _configthreadlocale() + 0x92 bytes(s)
0x00007FFA3BA17034 (0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000000), BaseThreadInitThunk() + 0x14 bytes(s)
0x00007FFA3C1BCEC1 (0x0000000000000000 0x0000000000000000 0x0000000000000000 0x0000000000000000), RtlUserThreadStart() + 0x21 bytes(s)