MYSQL shutdown unexpectedly

[sawad]

When i run mysql it shutsdown unexpectedly. Here is the log file


2023-08-09 19:30:12 0 [Note] Starting MariaDB 10.4.28-MariaDB source revision c8f2e9a5c0ac5905f28b050b7df5a9ffd914b7e7 as process 3500
2023-08-09 19:30:12 0 [Note] InnoDB: !!! innodb_force_recovery is set to 4 !!!
2023-08-09 19:30:12 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2023-08-09 19:30:12 0 [Note] InnoDB: Uses event mutexes
2023-08-09 19:30:12 0 [Note] InnoDB: Compressed tables use zlib 1.2.12
2023-08-09 19:30:12 0 [Note] InnoDB: Number of pools: 1
2023-08-09 19:30:12 0 [Note] InnoDB: Using SSE2 crc32 instructions
2023-08-09 19:30:12 0 [Note] InnoDB: Initializing buffer pool, total size = 30M, instances = 1, chunk size = 30M
2023-08-09 19:30:12 0 [Note] InnoDB: Completed initialization of buffer pool
2023-08-09 19:30:12 0 [Note] InnoDB: Setting log file C:\xampp\mysql\data\ib_logfile101 size to 5242880 bytes
2023-08-09 19:30:12 0 [Note] InnoDB: Setting log file C:\xampp\mysql\data\ib_logfile1 size to 5242880 bytes
2023-08-09 19:30:12 0 [Note] InnoDB: Renaming log file C:\xampp\mysql\data\ib_logfile101 to C:\xampp\mysql\data\ib_logfile0
2023-08-09 19:30:12 0 [Note] InnoDB: New log files created, LSN=46399209
2023-08-09 19:30:12 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2023-08-09 19:30:12 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2023-08-09 19:30:12 0 [Note] InnoDB: Setting file 'C:\xampp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2023-08-09 19:30:12 0 [Note] InnoDB: File 'C:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2023-08-09 19:30:12 0 [Note] InnoDB: 10.4.28 started; log sequence number 46399500; transaction id 68233
2023-08-09 19:30:12 0 [Note] InnoDB: Loading buffer pool(s) from C:\xampp\mysql\data\ib_buffer_pool
2023-08-09 19:30:12 0 [Note] Plugin 'FEEDBACK' is disabled.
2023-08-09 19:30:12 0 [Note] InnoDB: Buffer pool(s) load completed at 230809 19:30:12
2023-08-09 19:30:12 0 [Note] Server socket created on IP: '::'.
2023-08-09 19:30:12 0 [ERROR] mysqld.exe: Table '.\mysql\db' is marked as crashed and last (automatic?) repair failed
2023-08-09 19:30:12 0 [ERROR] Fatal error: Can't open and lock privilege tables: Table '.\mysql\db' is marked as crashed and last (automatic?) repair failed
2023-08-09 19:30:12 0 [ERROR] Aborting
2023-08-09 19:30:27 0 [Note] Starting MariaDB 10.4.28-MariaDB source revision c8f2e9a5c0ac5905f28b050b7df5a9ffd914b7e7 as process 3216
2023-08-09 19:30:27 0 [Note] InnoDB: !!! innodb_force_recovery is set to 4 !!!
2023-08-09 19:30:27 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2023-08-09 19:30:27 0 [Note] InnoDB: Uses event mutexes
2023-08-09 19:30:27 0 [Note] InnoDB: Compressed tables use zlib 1.2.12
2023-08-09 19:30:27 0 [Note] InnoDB: Number of pools: 1
2023-08-09 19:30:27 0 [Note] InnoDB: Using SSE2 crc32 instructions
2023-08-09 19:30:27 0 [Note] InnoDB: Initializing buffer pool, total size = 30M, instances = 1, chunk size = 30M
2023-08-09 19:30:27 0 [Note] InnoDB: Completed initialization of buffer pool
2023-08-09 19:30:27 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2023-08-09 19:30:27 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2023-08-09 19:30:27 0 [Note] InnoDB: Setting file 'C:\xampp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2023-08-09 19:30:27 0 [Note] InnoDB: File 'C:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2023-08-09 19:30:27 0 [Note] InnoDB: 10.4.28 started; log sequence number 46399509; transaction id 68233
2023-08-09 19:30:27 0 [Note] InnoDB: Loading buffer pool(s) from C:\xampp\mysql\data\ib_buffer_pool
2023-08-09 19:30:27 0 [Note] Plugin 'FEEDBACK' is disabled.
2023-08-09 19:30:27 0 [Note] InnoDB: Buffer pool(s) load completed at 230809 19:30:27
2023-08-09 19:30:27 0 [Note] Server socket created on IP: '::'.
2023-08-09 19:30:27 0 [ERROR] mysqld.exe: Table '.\mysql\db' is marked as crashed and last (automatic?) repair failed
2023-08-09 19:30:27 0 [ERROR] Fatal error: Can't open and lock privilege tables: Table '.\mysql\db' is marked as crashed and last (automatic?) repair failed
2023-08-09 19:30:27 0 [ERROR] Aborting
2023-08-09 19:30:42 0 [Note] Starting MariaDB 10.4.28-MariaDB source revision c8f2e9a5c0ac5905f28b050b7df5a9ffd914b7e7 as process 11236
2023-08-09 19:30:42 0 [ERROR] mysqld.exe: File 'C:\xampp\mysql\data\aria_log.00000002' not found (Errcode: 2 "No such file or directory")
2023-08-09 19:30:42 0 [Note] InnoDB: !!! innodb_force_recovery is set to 4 !!!
2023-08-09 19:30:42 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2023-08-09 19:30:42 0 [Note] InnoDB: Uses event mutexes
2023-08-09 19:30:42 0 [Note] InnoDB: Compressed tables use zlib 1.2.12
2023-08-09 19:30:42 0 [Note] InnoDB: Number of pools: 1
2023-08-09 19:30:42 0 [Note] InnoDB: Using SSE2 crc32 instructions
2023-08-09 19:30:42 0 [Note] InnoDB: Initializing buffer pool, total size = 30M, instances = 1, chunk size = 30M
2023-08-09 19:30:42 0 [Note] InnoDB: Completed initialization of buffer pool
2023-08-09 19:30:42 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2023-08-09 19:30:42 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2023-08-09 19:30:42 0 [Note] InnoDB: Setting file 'C:\xampp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2023-08-09 19:30:42 0 [Note] InnoDB: File 'C:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2023-08-09 19:30:42 0 [Note] InnoDB: 10.4.28 started; log sequence number 46399518; transaction id 68233
2023-08-09 19:30:42 0 [Note] InnoDB: Loading buffer pool(s) from C:\xampp\mysql\data\ib_buffer_pool
2023-08-09 19:30:42 0 [Note] Plugin 'FEEDBACK' is disabled.
2023-08-09 19:30:42 0 [Note] InnoDB: Buffer pool(s) load completed at 230809 19:30:42
2023-08-09 19:30:42 0 [Note] Server socket created on IP: '::'.
2023-08-09 19:30:42 0 [ERROR] mysqld.exe: Table '.\mysql\db' is marked as crashed and last (automatic?) repair failed
2023-08-09 19:30:42 0 [ERROR] Fatal error: Can't open and lock privilege tables: Table '.\mysql\db' is marked as crashed and last (automatic?) repair failed
2023-08-09 19:30:42 0 [ERROR] Aborting


whats the reason for this