Every time I create a new workspace in Eclipse I have to turn off the spell checking via Preferences. (Preferences->General->Editors->Text Editors->Spelling->Enable Spell Checki
It's not a perfect fix, but you can copy existing workspace preferences into any workspace. I keep a separate .epf
(Eclipse preferences file, I guess) that I just import into every new workspace I create:
File → Import... → General → Preferences → Next > From preference file