"Do not check spelling or grammar" will not turn off

[HelpIsOnTheWay]

I am a highly advanced Word user and I can't turn off the "Do not check
spelling or grammar" feature. I tried the following, none of them worked:
- Selected the entire document (Ctrl+A), then go to Tools > Language > Set
Language and clear the check box for "Do not check spelling or grammar".
(did this multiple times)
- Did a Find/Replace for the formatting (Crrl+F, more, Format, Language, etc.)
- I even pasted unformatted into a new document

Some sections still have it turned on and I can't seem to get rid of it!
Any help would be appreciated,
Thanks.

 

[HelpIsOnTheWay]

I'm using a corporate version of Word 2003, SP2. There are some fields
(Table of Contents and Page Numbers), but even when I strip them out, and I
select All, I can never get the "Do Not Check Spelling or Grammar" box to
permanently clear. I clear the check box, I click OK, then I go back to
Tools, Language, Set Language, and the box is highlighted (not checked, but
highlighted) again!

The language is English, US and I am only using Times New Roman.

 

[Aldo]

Same problem. It's very annoying. My document only had 3 pages. I had to
select the text page by page to apply the setting, otherwise it won't work.