a blank page comes up after signing in, instead of my home page
In the address bar, type about:config
then click ill be careful i promise
then in the filter window, type browser.startup.page
then double click on it and change the value to 1
close the window, exit firefox and restart-it
Please mark "Solved" the answer that really solve the problem, to help others with a similar problem.
You also have to ensure that you've setup Firefox with your Home Page URL. If you haven't done so, follow the steps below:
Also, make sure that you have chosen "Show my Home Page" under "When Firefox Starts" (use the drop down arrow).