When you create or update a file (like rename), intellij freeze for about 4 seconds.

If this appends and you have avast as Antivirus, the solution is really simple:

https://youtrack.jetbrains.com/issue/IDEA-136865?replyTo=27-927226

Exclude the follow folder C:\Users\<user>\.IntelliJIdea14\system\log\config/system/log from avast scan.

It works in my windows 7 S.O.

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