Even I don't know exactly which extension you installed, in TER there is no compatible extension shown for TYPO3 version 7 or 8:
https://typo3.org/extensions/repository/?id=23&L=0&q=Image+slider&tx_solr%5Bfilter%5D%5BextensionMinTYPO3Version%5D=&tx_solr%5Bfilter%5D%5BextensionMaxTYPO3Version%5D= To uninstall an extension and you don't have access to the backend anymore: - open the file typo3conf/PackageStates.php - search for the extension key - change the line "state" => "active" below to "state" => "inactive", save the file. - delete the folder typo3temp/Cache, don't worry, it will be created new automatically if it's missing. - reload the backend-page - now you should have access again, regrettable without the desired extension. _______________________________________________ TYPO3-english mailing list TYPO3-english@lists.typo3.org http://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-english