You try to execute the file. That is not correct. You have to edit the file. For this you need to use a program called "nano". Please search the internet on how to use "nano" and then do the modification subzero recommended.
Do you know somebody who knows Linux who can help you? Would be helpful.
I´m very sorry to say, that i do not know anybody who can help me with linux
I have tried opening the file in nano typing:
nano home/user/.config/syncthing/config.xml
Seems like the file opens in nano, but there´s no text?
alt+Y "colorchange" does not help..
I really hope you can help me through this issue, as the folks over at Syncthing reffers to this forum, regarding my issue