Please include the crash log.
Unhandled exception: c0000005
Date/Time: 2021-10-03, 18:58:49
Fault address: 7FFA271E30CA (c:\program files\obs-studio\bin\64bit\w32-pthreads.dll)
libobs version: 27.1.1 (64-bit)
Windows version: 10.0 build 19043 (release: 2009; revision: 1237; 64-bit)
CPU: Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz
Thread 4388: (Crashed)
Stack EIP Arg0 Arg1 Arg2 Arg3 Address
0000006F1D5DA9D0 00007FFA271E30CA 0000006F1D5DAAB0 000001A727CF0A10 000001A733FA04A0 0000000000000009 w32-pthreads.dll!pthread_mutex_lock+0xa
0000006F1D5DAA60 00007FF9FFC9924E 0000006F1D5DAB70 0000006F1D5DAB58 0000006F1D5DACE0 0000006F1D5DAB70 obs.dll!obs_transition_swap_begin+0x3e
0000006F1D5DAAD0 00007FF66487BC87 000000000000000A 0000006F1D5DAB70 000001A72598BE01 000001A7259EAE70 obs64.exe!OBSBasic::OverrideTransition+0x27
0000006F1D5DAB00 00007FF66487C0A6 000001A734228040 000001A7367ADFA0 000001A77D0E5E30 0000006F1D5DAC70 obs64.exe!OBSBasic::QuickTransitionClicked+0x106
0000006F1D5DAB70 00007FF9C8160AD9 000001A77F15F040 00007FF900000009 000001A77F7D7E10 0000001400000001 qt5core.dll!0x7ff9c8160ad9
0000006F1D5DACC0 00007FF9CEB5EA97 3FF0000000000000 000001A77F7D7E10 000001A77F7D7E10 000001A77F15F040 qt5widgets.dll!0x7ff9ceb5ea97
0000006F1D5DAD00 00007FF9CEB5E9B8 000001A7259A8F20 0000006F1D5DADC8 000001A70934D420 00007FF9CEAD67E3 qt5widgets.dll!0x7ff9ceb5e9b8
0000006F1D5DAD30 00007FF9CEB5F69D 0000001100000042 000001A7259A8F20 0000006F1D5DB6F0 000001A77F15F040 qt5widgets.dll!0x7ff9ceb5f69d
0000006F1D5DAD60 00007FF9CEAB7812 000001A7259A8F20 000001A7259A8F20 0000006F1D5DB6F0 0000006F1D5DB6F0 qt5widgets.dll!0x7ff9ceab7812
0000006F1D5DADF0 00007FF9CEA94980 0000006F1D5DB6F0 0000006F1D5DAF20 0000000000000000 0000006F1D5DAF20 qt5widgets.dll!0x7ff9cea94980
0000006F1D5DAE20 00007FF9CEA928A0 0000000000000000 000000DB000003A1 3FF0000000000000 000001A72598BE10 qt5widgets.dll!0x7ff9cea928a0
0000006F1D5DB360 00007FF9C81419CA 3FF0000000000000 0000000000000000 0000000000000000 3FF0000000000000 qt5core.dll!0x7ff9c81419ca
0000006F1D5DB3D0 00007FF9CEA95B85 0000000000000000 000001A77F15F040 0000000000000000 000001A77F7D7E10 qt5widgets.dll!0x7ff9cea95b85
0000006F1D5DB490 00007FF9CEAE00DB FFFFFDA8FFFFFD44 FFFFFE0BFFFFFE0B 0000000000000000 FFFFFFFFFFFFFFFF qt5widgets.dll!0x7ff9ceae00db
0000006F1D5DB820 00007FF9CEADE0A4 000001A7259A8F20 000001A7259A94D0 0000006F1D5DC1D0 000001A78E481FE0 qt5widgets.dll!0x7ff9ceade0a4
0000006F1D5DB8F0 00007FF9CEA94980 000001A7259A8F20 0000006F1D5DBA20 00007FF9CEA80000 00007FF9C8267D10 qt5widgets.dll!0x7ff9cea94980
0000006F1D5DB920 00007FF9CEA93A03 000001A7259AB120 0000000000000000 0000000000000000 000001A72598BE10 qt5widgets.dll!0x7ff9cea93a03
0000006F1D5DBE60 00007FF9C81419CA 000001A7259AB120 0000000000000003 000001A7259AB120 0000000000000000 qt5core.dll!0x7ff9c81419ca
0000006F1D5DBED0 00007FF9C7963086 00007FF9C7F19688 0000000000000024 0000000000000001 000001A77EA4E560 qt5gui.dll!0x7ff9c7963086
0000006F1D5DC380 00007FF9C794ECE0 0000000000000000 00007FF9C7F19688 0000006F1D5DC4B0 000001A7094346E0 qt5gui.dll!0x7ff9c794ece0
0000006F1D5DC3B0 00007FF9C818A83A 000001A7259AB1E0 0000000000000000 000001A7094346E0 0000000000000000 qt5core.dll!0x7ff9c818a83a
0000006F1D5DF4D0 00007FF9FF762619 0000000000000000 00007FF900000014 0000000000000000 0000000000000040 qwindows.dll!0x7ff9ff762619
0000006F1D5DF500 00007FF9C813DE7C 000001A7259ABF58 0000000000000000 0000006F1D5DFA30 00007FF9C825FC90 qt5core.dll!0x7ff9c813de7c
0000006F1D5DF560 00007FF9C8140994 00007FF664A25F80 0000006F1D5DF970 00007FF664A25F80 0000006F1D5DFA30 qt5core.dll!0x7ff9c8140994
0000006F1D5DF5C0 00007FF664787003 0000000000000000 000001A725989170 000001A700000000 000001A725986500 obs64.exe!run_program+0x7b3
0000006F1D5DF930 00007FF664789290 0000000000000000 0000000000000000 0000000000000000 FFFFFFFFFFFFFFFF obs64.exe!main+0x6c0
0000006F1D5DFB00 00007FF66491E977 0000000000000000 0000000000000000 0000000000000000 0000000000000000 obs64.exe!WinMain+0x157
0000006F1D5DFB90 00007FF66491E236 0000000000000000 0000000000000000 0000000000000000 0000000000000000 obs64.exe!__scrt_common_main_seh+0x106
0000006F1D5DFBD0 00007FFA32E27034 0000000000000000 0000000000000000 0000000000000000 0000000000000000 kernel32.dll!0x7ffa32e27034
0000006F1D5DFC00 00007FFA34142651 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ntdll.dll!0x7ffa34142651