Content Query is a needful webpart in Sharepoint as it relates with user very smoothely.If you are not able to see this webpart in your gallary under Content, then turn on "SharePoint Server Publishing Infrastructure" in your top level site collection administration.After this step, turn on "SharePoint Server Publishing" feature in your affected site.
NOTE: No need to go to central admin for this solution.
If you are getting any error while doing any of the above activity(as i was) then lets open PoweShell(CMD) and try below stsadm commands and will do you work:
(to activate top level site collection feature)
stsadm -o activatefeature -name publishingResources -url "SiteCollectionURL" -force
(to activate publishing feature in affected site)
stsadm -o activatefeature -name PublishingWeb -url "Affected Site URL" -force
Hope this will work.
All the best
NOTE: No need to go to central admin for this solution.
If you are getting any error while doing any of the above activity(as i was) then lets open PoweShell(CMD) and try below stsadm commands and will do you work:
(to activate top level site collection feature)
stsadm -o activatefeature -name publishingResources -url "SiteCollectionURL" -force
(to activate publishing feature in affected site)
stsadm -o activatefeature -name PublishingWeb -url "Affected Site URL" -force
Hope this will work.
All the best
