How can I delete a plugin if it does not appear in the list of installed plugins?

There are two ways:

 

1. If *.ipk package was installed, it can be removed:

❖ from telnet using:

opkg remove package_name

(package_name – without version, revision and .ipk extension)

❖ Use the “Software Center” [Settings] -> [Software] -> [Software Center]

2. If you just copied the folders, you must delete these folders and reload the enigma2