Error Code 0x80004005 in MySQL - Complete Fix Guide

Fix:

• Run MySQL Server/Workbench as Administrator.
• Ensure the MySQL data directory has the correct permissions:

  icacls "C:\ProgramData\MySQL\MySQL Server 8.0\Data" /grant Everyone:F /T

• Check if the MySQL service is running with sufficient privileges.

Fix:

1. Go to ODBC Data Source Administrator (odbcad32.exe).
2. Check the DSN settings and ensure they point to the correct MySQL instance.
3. Reinstall the MySQL ODBC Connector from official MySQL downloads.

Fix:

• Reset the MySQL root password:

  ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'newpassword';

• If connecting remotely, allow the user:

  GRANT ALL PRIVILEGES ON *.* TO 'your_user'@'%' IDENTIFIED BY 'your_password';
  FLUSH PRIVILEGES;

Fix:

• Run MySQL Repair:

  CHECK TABLE your_table;
  REPAIR TABLE your_table;

• Check the MySQL logs in:
  C:\ProgramData\MySQL\MySQL Server 8.0\Data\*.err
• Restart the MySQL service:

  net stop mysql
  net start mysql