Haseeb Rehman

yellowish extra background color is appear behind google links ad at https://tazablog.com

how can i remove that?

You have to concern with you host admin. Or you can install new WordPress installation.

yes all the plugins and themes are up to date.

delete all the images from media library, and try to upload again.

change the file type from .png to .gif or .jpg Or rename your image files and try to upload again.

I use wpproadvert_v2.1 and i download it from internet.

i used the automatic auto-install through the plugin dashboard on my web site https://www.tazablog.com

i used the next gen gallery but its light box is not working the link of my web page is https://www.tazablog.com