Lock your CD ROM

Go to
 Run
 Type “regedit”
 Find-allocatecdrom.
 Change the value from 1 to 0
Done
To unlock change the value to 1

MICROSOFT WORD SHORTCUTZZ

F5-find and replace
F12-save as
Cntrl+e- Center
Cntrl+l- Left
Cntrl+r- Right
Cntrl+b- Bold
Cntrl+i- Italic
Cntrl+u- Underline