It could be an issue with your battlelog webplugins. At first, clear your browser cache and/or try a different browser. Reinstall your webplugins for battlelog. Get sure that you have disabled all ad and application blocking software in your browser and using the latest version of Adobe Flash.
Uninstall your PunkBuster service and download the latest version via following link: http://www.evenbalance.com/downloads/pbsvc/pbsvc.exe
Please let us know, is the issue still happen and accept if this helped you to solve your problem.
Cheers
Basti
