Troubleshooting

You just bought a new CAC reader, plugged it in, and… nothing. No certificate prompt, no recognition, maybe even error messages. Before you assume the...

Fix: CAC Certificate Shows as Untrusted in All Browsers Seeing “certificate untrusted” errors across all browsers when accessing DoD websites with your CAC is one...

Chrome CAC Certificate Errors: Complete Fix for All Major Browsers CAC certificate errors in web browsers prevent access to essential DoD websites, military email, and...

DoD Safe with CAC: Complete Setup and Troubleshooting Guide DoD Safe is the Department of Defense’s secure file transfer and storage platform, allowing military personnel...

Fix: Outlook Keeps Asking for CAC Certificate (Windows 10/11) Few things are more frustrating than Outlook repeatedly prompting you to select your CAC certificate every...

CAC Card Reader Not Detected: 8 Fixes for Windows & Mac One of the most frustrating issues for military personnel and DoD civilians is when...

Need to reset your CAC PIN? Find your nearest RAPIDS site, understand what services they offer, and learn how to make the process as quick...

Outlook CAC Certificate Error: 5 Fixes for ‘No Valid Certificates’ Warning If you’re seeing “No valid certificates available” or similar certificate errors when trying to...

A locked CAC is one of the most stressful situations for military and DoD personnel—you can’t access email, systems, or sometimes even your building. The...

CAC certificate errors are frustrating because the error messages rarely tell you what’s actually wrong. “Certificate not trusted,” “invalid certificate,” and “no valid certificates found”...