Colin F at vbulliten.com said:In phpMyAdmin, goto your datastore table and edit the options row.
Find:
and change it toCode:"gzipoutput";s:1:"1";
Code:"gzipoutput";s:1:"0";
You'll still have to change the setting in your vBulletin Options afterwords though.
Wayne Luke said:vBulletin Options -> Server Settings and Optimization Options.