What is this numbered overlay grid appearing on my screen?

Link: https://www.tenforums.com/general-support/163437-what-numbered-overlay-grid-appearing-my-screen.html

Comments

Popular posts from this blog

How the Singapore Government cheated my family of a HDB flat (Draft 22 Aug 2023)

[DRAFT 26 SEP 2022] HDB refuses to reduce monthly rental fees of my rental flat despite many appeals