Probably not. It's pretty much impossible for an uninstalled mod to be causing you problems.
If you follow these instructions:
https://www.vbulletin.com/forum/show...ystem-globally
to disable hooks, does the problem go away?
Do you have a link to the mod you installed?
If there were any manual template edits, that's the only place the issue could come from- if you didn't undo them or undo them correctly.