Unable to login to Paytm – keeps showing "unknown source app" error even after Play Store install
I’m facing a weird issue with Paytm and not sure how to fix it.
Since last week, my Paytm app suddenly stopped working. It wouldn’t even open properly and kept getting stuck on the blue loading screen. So I uninstalled it and tried reinstalling from the Play Store, but the same issue continued.
Then I tried installing it from external sources (like APK sites), and the app finally opened. But when I tried to log in, it showed an error saying something like “unknown source app”.
After that, I again uninstalled it and reinstalled it from the Play Store thinking it would fix the issue—but now I’m still getting the same “unknown source app” error every time I try to log in, even though it’s installed from the official Play Store.
Has anyone else faced this issue? Any idea what might be causing this or how to fix it?