Hello Mike,

On further dig into this we i found that the red x is occur only for specific window user ,when i log into window with different user and perform same activity  than red x not occurred .please share your view on this.

Is Red X is releated with window user permission ?

Hello  Tihomir ,

In my case most of the time Red X apprear ater giving message "index out of range" and "Out of memory Exception" . 

Hello Mike,

Thanks for your reply .will you explain multiple threads in details.