mysqld: Error on delete of 'C:\xampp\htdocs\ncpos\mysql8-data\mysqld_tmp_file_case_insensitive_test.lower-test' (OS errno 13 - Permission denied)
mysqld: Error on delete of 'C:\xampp\htdocs\ncpos\mysql8-data\mysqld_tmp_file_case_insensitive_test.lower-test' (OS errno 13 - Permission denied)
2026-04-21T22:36:32.137116Z 0 [System] [MY-015015] [Server] MySQL Server - start.
2026-04-21T22:36:32.402497Z 0 [System] [MY-010116] [Server] C:\Program Files\MySQL\MySQL Server 8.4\bin\mysqld.exe (mysqld 8.4.8) starting as process 19948
2026-04-21T22:36:32.426024Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2026-04-21T22:36:32.507329Z 1 [ERROR] [MY-012224] [InnoDB] Header page consists of zero bytes in datafile: .\ibdata1, Space ID:0, Flags: 0. Please refer to http://dev.mysql.com/doc/refman/8.4/en/innodb-troubleshooting-datadict.html for how to resolve the issue.
2026-04-21T22:36:32.508457Z 1 [ERROR] [MY-012237] [InnoDB] Corrupted page [page id: space=0, page number=0] of datafile '.\ibdata1' could not be found in the doublewrite buffer.
2026-04-21T22:36:32.508794Z 1 [ERROR] [MY-012930] [InnoDB] Plugin initialization aborted with error Data structure corruption.
2026-04-21T22:36:32.550271Z 1 [ERROR] [MY-010334] [Server] Failed to initialize DD Storage Engine
2026-04-21T22:36:32.555741Z 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2026-04-21T22:36:32.556090Z 0 [ERROR] [MY-010119] [Server] Aborting
2026-04-21T22:36:32.558240Z 0 [System] [MY-010910] [Server] C:\Program Files\MySQL\MySQL Server 8.4\bin\mysqld.exe: Shutdown complete (mysqld 8.4.8)  MySQL Community Server - GPL.
2026-04-21T22:36:32.558886Z 0 [System] [MY-015016] [Server] MySQL Server - end.