for the first time while running security scans with tools like Malwarebytes Farbar Recovery Scan Tool (FRST)

If you use , you’ve likely encountered the file idmgcext.crx . While it sounds like a cryptic system file, it is actually the vital bridge between your Windows software and your web browser.

Structure of a CRX (relevant to idmgcext.crx)

If you're having trouble with the extension, I can help you or troubleshoot specific error messages . Which would you prefer?