SOLVED: OpenSEF/Site Crash - Joomla! Forum - community, help and support

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hello all,
i tried install opensef today , not work. blank homepage. anyway, installed , still nothing (still blank). have tried turning joomla sef off, still no luck. of now, opensef unstalled, joomla sef off , have deleted .htaccess file. know problem is. thanks.

the issue not caused installing opensef.
no core files changed , when opensef disabled (or un-installed) has no effect on anything.

a blank screen evidence of larger issue.
most issue htaccess file bad or has conflict server set-up.
some hosts cache htaccess file takes awhile remove bad htaccess.





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