SQLPLUS.EXE counterprocess error =1392


Resolution
  1. Uninstall Oracle product
  2. Install JAVA
  3. Set Environmental Variables for JAVA_HOME and JRE_HOME
  4. Install Oracle Product again

How to fix: ERROR 1045 (28000): Access denied for user ‘root’@’localhost’ (using password: YES)

Open your terminal and type mysql -u root -p Enter your password. Hopefully your MySQL is logged in now.