Troubleshooting

CAC Error Codes Decoded: Fixing 500, 403, and Certificate Errors You insert your CAC, enter your PIN, and instead of accessing the site you need,...

CAC card issues can bring your workday to a grinding halt. Whether your card isn’t being recognized, your PIN is locked, or you’re getting certificate...

The USB Hub That’s Breaking Your CAC Reader Your CAC reader worked fine until you plugged it into that USB hub. Now it disconnects randomly,...

When InstallRoot Won’t Install: The Manual Certificate Fix InstallRoot is supposed to be the easy button for DoD certificates. Download, run, done. Except when it...

Why Outlook Keeps Asking for Your CAC—And How to Stop It You insert your CAC, enter your PIN, and open Outlook. It connects to Exchange,...

GlobalProtect VPN is essential for remote access to DoD networks, but it’s also one of the most frustrating applications to get working with a CAC....

CAC Reader Troubleshooting Guide When your CAC reader stops working, it can block access to essential DoD systems and websites. This guide walks through systematic...

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...