I noticed this in the log while investigating another issue.
I don't know why it's looking for this file. The only thing I can point out is that this is a multilingual site and it is locale.inc that is looking to parse the file.
LOCATION http://www.example.com/en/admin/structure/block/manage/clock/clock/configure/3/edit REFERRER http://www.example.com/en/admin/structure/block/manage/clock/clock/configure?destination=node/60/edit MESSAGE Warning: file_get_contents(sites/all/modules/clock/clock.admin.js) [function.file-get-contents]: failed to open stream: No such file or directory in _locale_parse_js_file() (line 1303 of /pathToDrupal7/includes/locale.inc). SEVERITY warning
Has clock.admin.js ever existed?