[SOLVED] Just updated to IDEA 2016.3 using JetBrains Toolbox. Can I delete the old IDEA folder?

Answered

It seems that when the user updates his JetBrains IDE via Toolbox the tool doesn't really clean up after itself. My ".IntelliJIdea2016.2" and "C:\Users\<user>\AppData\Local\JetBrains\Toolbox\apps\IDEA-U\ch-0\162.2228.15" weren't deleted after I launched the new IDEA and told it to import data from 2016.2. Can I simple go there and delete those folders? Will it cause any issue?

 

Thanks.

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8 comments
Official comment

It does. However, Toolbox has a feature called "rollback" – if for some reason you don't like the update (something wrong after update with your project, or there is a regression bug on our side) you can immediately roll the previous version back. That's why Toolbox saves one extra copy. 

1. Yes. It will happen even if you update to say 2016.3.1. So, you will have 2016.3.1 and 2016.3 as a backup version

2. Try to do it. I don't see any problem here. And you're welcome to vote here https://youtrack.jetbrains.com/issue/ALL-657

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@Konstantin Bulenkov thanks for the fast reply, so if that's the case I have two questions:

  1. Will JetBrains only keep the current version + current version - 1 on disk? I mean, if you guys release IDEA 2016.4, will 2016.2 be automatically deleted and I would end up with 2016.4 + 2016.3?
  2. If I upgrade and don't spot any issues and I'm confident that I don't need the older version, can I simply delete those folders?

 

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@Konstantin Bulenkov Again, many thanks for the clarification. I voted there.

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The problem on Windows 7 is that I do not seem to be able to delete the old \Users\xxx\.IntellijIdeaYYYY.N folders. I have 5 of them now, including the current version (2017.3). I've even tried opening a file explorer as administrator and I *STILL* cannot delete them. The extra junk is getting sizable...

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I just figured out a way to do it on Windows 7:

  1. Delete all of the files deep in the folder (del /f /s /q c:\users\xxx\.IntelliJIdeaYYYY.N)
  2. Delete the .IntelliJIdeaYYY.N folder in the Windows Explorer
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Still Not Clear. If I delete the older versions' folders, Will it create any problem?

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No problems, I delete all versions after every update.

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