I already have the same settings: Maybe that is the security problem detected by Avast.

many thanks Ada, it really worked I just had to restart after enabling Telnet Service before the upgrade. thank you again. but avast is still displaying the same message

thank you so much for your replies. I'll try and tell you the result.

by the way, I have windows 8.1, the command : 'telnet 192.168.1.1' doesn't work.

Many thanks for you reply Ada. By the way, I have windows 8.1. When I type 'cmd' in run and then type 'telnet 192.168.1.1' it doesn't work Can I use the same method like windows 7? let's suppose if...

I have exactly the same issue. but with TD-W8961ND