I am using Python 2.7 and Selenium 2.39.0. to test a web application. When I run my test as a Windows (7 Ent.) scheduled task with the option \"Run whether user is logged on or
In you selenium test, you can call driver.manage().window().setSize(new Dimension(1920, 1080));
Even if you screen resoltuion is 1024/768 you browser will have the correct window size and you buttons will display just fine.
You can also run your window task with user "SYSTEM". So you don't need to worry about opening the user session.