Still unable to fix text disappearing issue!

I am having the problem that I have seen others have on this forum through my thorough searching to find a solution. Out of nowhere this has cropped up. Here is my issue:

I try to type:

Saving doesn’t take a financial expert. Most of us live from paycheck to paycheck.

I click “Save Draft” or “Publish” and I am returned to the text box however it only reads:

Saving doesn

At first I thought the apostrophe must be throwing it off. However I can type and save letter by letter and the content will truncate at a random point. This happens with any content I try to publish.

I did the htaccess to disable mod_security and that did not work. I switched themes to the default and it did not work. I disabled and renabled all plugins. Renamed the plugin folder via FTP. Uploaded to a different server – still having the problem. Nothing seems to be working!!

I have a quite heavily modified theme and wordpress install that took me months to get right – I really do not want to start over. Someone please help! ??