This is how it can be done:
- Open Mozilla Firefox and from the Menu bar options Goto Tools–>Options and set the homepage to your desired link and press OK button.
- Close Firefox window and Goto Start–>Run… and type in the following and press OK
- In the profiles window, you get to see a folder named (somenumbercode).default
open it and find a file named prefs (its a JScript Script file) and change its attributes to Read-only.
- Restart Firefox for the changes to take effect.
Thats it!!! Now all your Firefox preferences including Homepage is locked n cannot be changed until you remove that Read-only attribute of Prefs.js
Note: To make every new tab to open with your homepage just install “New tab homepage” add-on.
Hope this Firefox trick helps. Try it yourself and post in your feedback.