Plugin is not updating properly

Whenever I am trying to update the “Wpdiscuz” plugin its being updating and updating.. never ends it. When I try to refresh or trying to open the dashboard in a new tab then I am seeing this message every time.

Check the links of the screenshots:-
1) https://gyazo.com/53d45bbb89033cab3055f523640edcf1 — here the update circle moving and moving …it never stops.

2) https://gyazo.com/b9f9297e5c085735d954580149431da3 — here it is showing me when I am trying to refresh my dashboard or trying to open on the new tab after waiting a long time of updating the plugin.

Please tell me what to do? My email id is :- [email protected]

https://www.ads-software.com/plugins/wpdiscuz/