PhpStorm & Toolbox installs on MacOS 26.2 (Tahoe)
I recently upgraded to MacOS 26, and upon rebooting, PhpStorm would not launch ("could not be opened"). Googling didn't bear any fruit, but a chat with ChatGPT pointed the finger at an incompatibility between IDE installs done by the JetBrains Toolbox and changes introduced in Tahoe. The only thing that works is to move or copy the installed IDE inside ~/Library/Application Support/JetBrains/Toolbox to /Applications. Does JetBrains – assuming it is aware of this – plan on making any changes to take this situation into account to make installs work better for MacOS users? Are other users doing the same thing I am, or have they found another method?
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Well I guess no one else is seeing this, which is odd.
Same problem since updating to 26.2, except not even ToolBox, or PyCharm will start. Not even an error.
It turned out to be a storage issue - the 26.2 update created a massive local image.
Could you please confirm whether this is still an issue or has been resolved?
Bj says it was because of the storage.
Peter, have you found a solution too? I found an interesting case with Toolbox for Intel Macs was installed on an Apple Silicon machine, which led to a failed IDE startup:
https://youtrack.jetbrains.com/issue/IDEA-386579/Cant-start-freshly-updated-IntelliJ-2025.3.3-on-freshly-updated-MacOS-26.3#focus=Comments-27-13433928.0-0
…but it doesn’t explain the fact that moving installed apps helps. Also, you’ve said your IDE’s installation path is ~/Library/Application Support/JetBrains/Toolbox, while mine is ~/Applications/, which is the default one. So, my assumption is macOS could block running binaries from ~/Library/Application Support/.
Please try changing the tool installation path in Toolbox settings | Tools | Tools installation location.