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Didn't work unfortunately. Says its invalid.

when I try to re-download old versions to see if they work it says they're invalid so I don't know what the last version was 

I just installed this update and it still isn't working. I'll have to check what the last working one was, I'll get back to you on that but the exact wording of the error is, "app not installed as package conflicts with an existing package. I've deleted all files and redownloaded multiple times to try and see if a previous build was causing interference to no avail.

Hi, I'm trying to download the android version but when i go to install it says it's conflicting with another package. I've tried everything i can think of for the past couple of months to get it to work.