Do these troubleshooting steps below and let me know which BPS Pro Security feature is causing the issue. After doing each step test whatever is not working.
http://forum.ait-pro.com/forums/topic/read-me-first-pro/#bps-pro-general-troubleshooting
2. On the Security Modes page, select the Deactivate Root Folder BulletProof Mode (Default Mode) Radio button and click the Activate|Deactivate button.
3. On the Security Modes page, select the Deactivate wp-admin Folder BulletProof Mode Radio button and click the Activate|Deactivate button.
4. On the Security Modes page, select the Deactivate Plugin Firewall BulletProof Mode Radio button and click the Activate|Deactivate button.