Why, I cannot drag and drop activities?

Hi, I can’t drag and drop the activities.
Many times I tried and also restart the Studio and system.
But still, I am phasing this problem.
Anyone have an idea about this.

Hi @priyesh,
Which version of Studio and .Net do you have?

2019.7.0

Which .Net version?

Give a try by restarting Studio as Administrator right click start as Administrator) in case you got privilleged rights