Guide plus flashes on the t.v.. how do you turn it off

You are that clear

but if you are talking about flashes on the t.v then it is due to sparking is taking place in your plug & socket.

if it is ok then there is a sparking in high voltage section in tv which is called fly back section.

good luck.

Question?
Whenever I turn on the television, the GUIDE Plus+™ or GUIDE Plus+ GOLD™ on-screen program guide automatically comes on.
Answer:
The GUIDE Plus+™ or GUIDE Plus+ GOLD™ on-screen
program guide automatically comes up when you use the TV button on the remote to turn on the TV. There are several ways to turn off this function if you wish, depending on your model.

Option A:
Select the GUIDE Plus+™ Menu from the Main menu.
Select Setup.
Select Options.
Select Off.

Option B:
Select the GUIDE Plus+™ Menu from the Main menu.
Select GUIDE Plus+™ Auto Display from the GUIDE Plus+ menu.
Select Off.

Option C:
Press GUIDE on your remote control.
Select the Menu bar.
Press the right arrow button to select Setup.
Choose Review Options.
Select Off.

I tried Option C and it worked !!

Given the many TV models, it's possible that accessing control of this feature in the Program Guide menu may differ on your TV. For specific instructions for your model, see your owner's
manual.