Task manager says EvePilot is running but the GUI is not popping up, anyone else having this problem?

This happens if you switched off computer or virtual machine or killed evepilot process while it wrote to setting file.
To fix open data folder or the bot (default location in C:\Users\%WinLogin%\AppData\Local\Macrolab\EvePilot\) and delete its content.
Alternatively, if you dont want to resetup everything, find *.xml file, open it in editor and if you see dots or zeroes or no closing tags at the end, delete it. Check if bkp file exists with the same name and rename it to *.xml