Почему не запускается mysql?

Здравствуйте. При попытке запустить MySQL с  XAMPP Control Panel в файл mysql_error.log записывается следующий отчёт об ошибке:

2020-01-16 20:36:48 0 [Note] InnoDB: Mutexes and rw_locks use Windows interlocked functions
2020-01-16 20:36:48 0 [Note] InnoDB: Uses event mutexes
2020-01-16 20:36:48 0 [Note] InnoDB: Compressed tables use zlib 1.2.11
2020-01-16 20:36:48 0 [Note] InnoDB: Number of pools: 1
2020-01-16 20:36:48 0 [Note] InnoDB: Using SSE2 crc32 instructions
2020-01-16 20:36:48 0 [Note] InnoDB: Initializing buffer pool, total size = 16M, instances = 1, chunk size = 16M
2020-01-16 20:36:48 0 [Note] InnoDB: Completed initialization of buffer pool
2020-01-16 20:36:48 0 [Note] InnoDB: 128 out of 128 rollback segments are active.
2020-01-16 20:36:48 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2020-01-16 20:36:48 0 [Note] InnoDB: Setting file 'C:\xampp\mysql\data\ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
2020-01-16 20:36:48 0 [Note] InnoDB: File 'C:\xampp\mysql\data\ibtmp1' size is now 12 MB.
2020-01-16 20:36:48 0 [Note] InnoDB: Waiting for purge to start
2020-01-16 20:36:48 0 [Note] InnoDB: 10.4.11 started; log sequence number 301198; transaction id 198
2020-01-16 20:36:48 0 [Note] InnoDB: Loading buffer pool(s) from C:\xampp\mysql\data\ib_buffer_pool
2020-01-16 20:36:48 0 [Note] Plugin 'FEEDBACK' is disabled.
2020-01-16 20:36:48 0 [Note] Server socket created on IP: '::'.
InnoDB: using atomic writes.
2020-01-16 20:36:48 0 [ERROR] InnoDB: The innodb_system data file 'ibdata1' must be writable
2020-01-16 20:36:48 0 [ERROR] InnoDB: The innodb_system data file 'ibdata1' must be writable
2020-01-16 20:36:48 0 [ERROR] Plugin 'InnoDB' init function returned error.
2020-01-16 20:36:48 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2020-01-16 20:36:48 0 [Note] Plugin 'FEEDBACK' is disabled.
2020-01-16 20:36:48 0 [ERROR] Unknown/unsupported storage engine: InnoDB
2020-01-16 20:36:48 0 [ERROR] Aborting
InnoDB: using atomic writes.

Если я правильно понимаю, по каким-то причинам данные не могут быть записаны в файл ibdata1, и это порождает ошибку. У меня права админа, файл ibdata1 удалять пробовал. Кто-нибудь может подсказать, в чём проблема?