seeing an error message on the screen after you click on a link or icon may indicate that your pc doesn't have the correct ? to view the information your looking for

a.ISP
b.plug ins

my answer is a

4 answers

Do you know what "ISP" stands for?

Do you know what a "plug-in" is?
Isp means internet service provider

plug in means to connect something to a power source

so my answer is plug ins
Plug ins is correct.
This term "plug-ins" refers to extra add-on programs that make a website work differently/better for you. For example, I have AdBlockPlus as a plug-in for Chrome, so I see very few ads on any webpages I go into.