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W3 Total Cache
[resolved] Cannot modify header after uninstal (7 posts)

  1. treibstoff
    Member
    Posted 4 years ago #

    After upgrading to WP3 W3TC slow down my site...

    So I uninstalled it and removed everything like cache-config.php and the entry inside the wp-config.php.

    If I now loading my site I got this:
    Warning: Cannot modify header information - headers already sent by....header.php
    on top of every site!!!???

    I only get rid of this Warning if I reinstall the W3TC and disable the cache function ('cause I don't want it anymore).

    So - what else does W3TC modify inside my Core or Database ?????

    I just want nothing more than a clean deinstall of the plug.

    cheers
    thomas

    Sorry this one was double posted,please, delete the first one!!
    Sorry!!!

  2. Frederick Townes
    Member
    Plugin Author

    Posted 4 years ago #

  3. treibstoff
    Member
    Posted 4 years ago #

    Be sure! I removed all!!!

    Once more - the problem:
    after deactivating W3TC and deinstall the folder and all other items created by W3TC I got this warninig:
    Warning: Cannot modify header information - headers already sent by (output started at /homepages/8/d290681284/htdocs/ek/wp-content/themes/thematic/library/extensions/header-extensions.php:6) in /homepages/8/d290681284/htdocs/ek/wp-content/themes/thematicchild/header.php on line 4
    This is on all pages - just variates from where the output started (for excample: page.php:2 )

    If I reinstall the W3TC and leave it disabled on General Settings but with deleted "define('WP_CACHE', true)" inside the wp-config.php, - the warning is gone.

    I just want nothing more than a clean deinstall of the plug.

    On another Installation with the same constructed theme and the same plugs - but not upgrades to WP3 (still WP 2.9.2) - I got no problem after deinstall Total Cache !!!!

    so - what else to do????????

    cheers

  4. treibstoff
    Member
    Posted 4 years ago #

    there is also a table made by W3TC inside the Database called
    wp_w3tc_cdn_queue Even at all I never used CDN!

    and is not removed while deactivate Total Cache

    I deleted it by myself - but no help in order of my problem after deinstalling Total Cache.

    So once more:
    What else is Total Cache writing in the Score or Database?????

  5. Frederick Townes
    Member
    Plugin Author

    Posted 4 years ago #

    Nothing else.

  6. treibstoff
    Member
    Posted 4 years ago #

    that means - I have Total Cache activated, even if I'm not using it, only to avoid that Total Cache is destroying my site after uninstall it....?????????????????
    But it still using memory.....and that makes no sense!!!!!!!!!!!!

    Never had kind of great problems with other plugs than W3TC!!!!

  7. Frederick Townes
    Member
    Plugin Author

    Posted 4 years ago #

    Yelling doesn't help. Email me through my site. You can search the forums and find no one else with similar problems.

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