Chat Help was Stuck

[HKamarul]

Hi,

Can i know how to reset my chat help to be function? it was stuck long time as per picture below.. 
thank in advance..

[Lakshminarayanan_J]

@HKamarul 

Have you tried clearing the browser cache and cookies on the browser . If not kindly do it and try again, 

If not working , kindly try using different browser