There is not sequence for APs, but for ZDs.
Try the following , seems to be an issue with browser . I was searching it online and found this
The file cert8.db in your profile folder may have become corrupted. Delete this file while Firefox is closed.
Open your profile folder:
Click the menu button New Fx Menu , click help Help-29 and select Troubleshooting Information. The Troubleshooting Information tab will open.
Under the Application Basics section, click on Show Folder. A window with your profile files will open.
Click the menu button New Fx Menu and then click Exit Close 29
Click on the file named cert8.db.