how to release the qvconnect64

[#1]

I am using DD.  Sometimes  I can't open file through  accesspoint on IE  or Ajax on Firefox. It isn't stableable.  I find one problem there are too much qvconnect64.exe on server . How to solve it  ?

[selvakumarsr]

Even I'm facing the same issue..Temp fix is by restarting the service:(

[#3]

I can't always restart  service in one day . If I  use DD  in many .qvw files,this problem affect the performance.There are  like errormessage "r6016 not enough space"