TYPO3 Core

When the Install Tool is locked the text below appears. The text should include a link to the User Settings where you can create the ENABLE_INSTALL_TOOL file by clicking.

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The install tool is locked

Fix: Create a file named ENABLE_INSTALL_TOOL and put it into the folder typo3conf/
This file may simply be empty.

For security reasons, it is highly recommended to rename or delete the file after the operation is finished.

If the file is older than 1 hour TYPO3 has automatically deleted it, so it needs to be created again. ==================

The install tool is locked

Fix: You can create a file named ENABLE_INSTALL_TOOL and put it into the folder typo3conf/
This file may simply be empty. When you write KEEP_FILE into it the file will not be deleted. Alternatively you can automatically create the file in your User Setting - Admin Functions [link this]

For security reasons, it is highly recommended to rename or delete the file after the operation is finished.

If the file is older than 1 hour TYPO3 has automatically deleted it, so it needs to be created again. ==================

(issue imported from #M14235)