Which operating system are you using? And have you checked out other forum posts that talk about similar issues? Let us know if anything in these posts helps. If not, some posts (like this one) also describe how to collect a log file that you can post here, that might give more information about what’s going wrong.
Am using Windows OS and checked other posts too.
After installation when clicked to open InVEST it pops-up and closes abruptly. In installation files i could not see log file which your asking to share.
We may have finally discovered the fix for this problem. Seeing your logfile would still help @pavithra.t.s , but if you are willing, please also try installing this development version and see if it works: