This is for those who's client/server won't start.
1. Go to you Java bin folder
2. Copy the path
3. Go to start menu
4. right click computer
5. click properties
6. on the right side there is an option called "Advanced Settings"
7. click it
8. A new window should pop up
9. Click "Environmental Variable".
10. "Add new"
11. Then for the name, name it PATH (not Path, not PaTh)
12. For the bottom box put in your java bin path.
1. Go to you Java bin folder
2. Copy the path
3. Go to start menu
4. right click computer
5. click properties
6. on the right side there is an option called "Advanced Settings"
7. click it
8. A new window should pop up
9. Click "Environmental Variable".
10. "Add new"
11. Then for the name, name it PATH (not Path, not PaTh)
12. For the bottom box put in your java bin path.