Compiles on 1 PC not another. LIke my machine is holding onto something

[SixPapaCharlie]

New poster here. former coder turned project manager. still code on the side.

I have a program that I wrote. I had a developer add some code to integrate it with facebook and twitter. He included a twitter sdk folder full of twitter dll files.

It compiled fine. I started messing around with it, adding forms, code etc and at some point I started getting 2 build errors:
'TwitterCredentials' is not declared. It may be inaccessible due to its protection level.
'Tweet' is not declared. It may be inaccessible due to its protection level.

Crap! out of frustration, I deleted the whole project, folder, everything and re downloaded the code as it was given to me by the dev who added the twitter functions.

Now that original code is giving me the same errors.
I removed and re added the reference to the twitter dll files

I tried project --> clean and rebuild
no matter what I do I get these two errors.

For grins, I put the code on a different machine and it compiles perfectly.

Any suggestions?

 

[jmcilhinney]

Can you post screenshots of your References page, Solution Explorer and a page showing those compilation errors?

 

[SixPapaCharlie]

Can you post screenshots of your References page, Solution Explorer and a page showing those compilation errors?