I suppose I should install this package at some point so I can be more helpful. Here's the thing: while I'm a "Windows guy", my Moodle runs on Ubuntu.... so here's what the Installation FAQ says might be the problem (https://docs.moodle.org/28/en/Installation_FAQ):
Why are all my pages blank?
Check the dirroot variable in config.php. You must use complete, absolute pathnames (e.g.)
$CFG->dirroot = "/var/www/moodle";
Another reason might be that PHP has not been configured to support
MySQL (or whatever other database you are using). This is common on
RedHat and OpenBSD installations. In this case, an error is generated,
but since error displays are often disabled by default, all that is seen
on the browser is a blank screen. To enable PHP error displays see How to enable and check PHP error logs.
To determine if database support is your problem, insert this as the second line in your config.php file
phpinfo();
then reload the web page. Examine the output closely to see if you
chosen database is supported. If not, look for a package you are
missing.
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Why is a particular page blank or incomplete?
- Check your web server log files!!
- If a particular page is blank or incomplete (it doesn't display the footer), before you do anything else switch on Debugging and check your PHP error logs.
Having established that PHP error logging is working, reproduce the
error. Immediately check the error log file right at the end. Hopefully
you will see a PHP error message at or very near the end of the file.
This may solve your problem directly or makes it a lot easier to
diagnose the problem in the Moodle forums.
- If you are upgrading to a new version of Moodle, check
that you do not have an old version of a non-standard block or module
installed. Remove any such blocks or modules installed using the admin
settings page and start the install process again. However, do also make
sure that you have included all optional plugins that were required by
your courses. This is particularly common with "editing on".
- If you do not see any blocks listed, turn editing on and remove any blocks that you have added to that page and try reloading.
- You may get this error immediately after selecting a language.
At this stage of the installation process your Moodle computer may need
to connect to the Internet and download a language pack, so check that
the computer can access the Internet by using a browser. Check also that
your PHP settings are as given in the Moodle Moodle Requirements page.
See also: