“AndroidManifest.xml doesn't exist or has incorrect root tag” Error

Question

I am new to AndroidStudio AND Gradle.

I imported a project from eclipse, created a module, and tried to run the project, but I got this error:

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Answer 1

In my case, my android project got corrupted and some of the files were showing characters, binary numbers, etc. I tried the following solutions

1. Invalidate & Restart
2. Rebuild Project
3. Sync with Gradle File

But none of the above solutions worked for me.

Then I just deleted the cache folder under C:\Users\username\.AndroidStudio3.6\system

and all the invalid characters disappeared and the actual contents of all the files were displayed. This solution worked for me.