Support
We're here to help
Email us
Questions, account or license help, or a false alarm? Email support@piir.us. We usually reply within one business day.
Phone: (805) 996-0558 — weekdays, Pacific time.
PIIRUS for Windows
Install, activation, licensing, and removing a flagged program. See the download page and features.
Browser add-on
The PIIRUS Pop-up Blocker blocks ads, pop-ups and scam sites in Chrome, Edge and Firefox. Details and install notes are on the download page.