Yup... I got nothing from errors log.
But this case have been resolved. I don't know exactly what the best solution for this.
I'm trying many solutions by browsing about this.
In IIS Manager, I set Enable 32 bit application to True in my App Pool, then take action Recycle to every App Pool in Configuration Center.
I'm not sure about this but suddenly my user session is clean up and it works normally.
Thanks for your response.