The below error is logged in the QlikView Server Event logs:
Error System: file system LastWriteTimeException: Last write time for \ failed: LastWriteTimeException \ failed: boost::filesystem::last_write_time: The system cannot find the file specified: "\\servername\USA\QLIKVIEW\EXT\Document\zoomToFit\Definition.xml ": no such file or directory 550365d6-ae70-44a2-9ea8-aace5b5b8d38
For information on QlikView logs, see QlikView Services and Log Guide
Environment
Resolution
Check the extension name (in red above) to make sure it is installed properly .