Unsolved Qt Creator 4.0.3 or 4.x - opening a file for the first time is very slow
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Hello, all. After installing Qt Creator 4.x on Windows 8.1 Enterprise 64-bit noticed that a file's initial opening has become very slow. Let's say a project is loaded and one double clicks on any given file in the project tree - one should wait for several seconds - ~13s! The same applies for opening a file in the Qt Creator's editor when using the Locate functionality ( Ctrl + K ) and the find functionality. Tried deleting the %APPDATA%\Roaming\QtProject before installing Qt Creator but didn't helped either. I think I previously found a topic on the case and a way to fix it but now I've lost it. Any ideas whether this is fixable or I should revert to using version 3.x?
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Hi,
You can try disabling the Clang code model to see if it improves things.
Hope it helps
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Actually it isn't turned on at all. It is not enabled as a plug-in when browsing the "Help" -> "About Plugins...". The only Clang-related feature that was enabled was the ClangStaticAnalyzer (not the ClangCodeModel). Turning it off didn't help.
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Then I'd check the bug report system to see if there's already something about it.
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One reason for QtCreator to be slow on windows are virus scanners. You could try to exclude your development directory from on-access scanning.