Actions after PC App Store Uninstallation
If you still see pop-ups after uninstalling or you can not find the PC App Store in the installed apps follow this instruction:
Press right-click with your mouse on the bottom panel.
Choose the option "Task Manager".
Also, you can open Task Manager by using the "Ctrl+Alt+Delete" key combination and choose the option you need.
Press right-click with your mouse on "PC App Store (32 bit) and choose "Open file location".
Don't close that folder, it will help to uninstall PC App Store after the next step.
Close all processes that are related to the PC App Store as well as "nwjs" process, as it is also related to the PC App Store.
Now return to the folder you opened before and delete "PCAppStore" folder.
After these steps, PC App Store will be completely removed from your computer.