Whenever I boot up Ubuntu, it shows the purple screen, then cuts to black. Before this happened, I was editing the Xsession file, by adding a few more lines that started up dwm and added something to it's taskbar. I also added a custom.desktop file in the xsessions folder, that launched the .xsession file.
Is there any way to fix what happened? Or at least a way I can edit the xsessions file?