Page links and web addresses suddenly corrupted

hi,

I have started having strange problems with my wordpress blog this week.

Not sure which version – the one right before 3.1.1 I believe. I am running press row. Only plugin is Akismet. It’s a very straight forward, simple blog.

Anyway, one of my major page links died yesterday – actually the page was completely gone. So I redid the links on every page that referred to it.

Today, I see that another set of links has gone strange – I include a transcript for all podcasts, but the transcript pages link now leads to 404 pages with the wrong header for most of my podcasts. Podcast player page links have also died.

Something strange is happening!

The podcast pages are here at my wordpress.com site: https://greenesrelease.wordpress.com/intro/what-is-it/free-podcasts-at-greenes-release/

The podcast transcript links lead to greenesrelease.com pages. Here is one page with non working links for the transcript and podcast player. This page has been fine since May 2010. https://greenesrelease.wordpress.com/2010/05/10/life-lessons/

Here’s one post that I can edit, but not view page or preview changes as it goes to a 404 page. https://greenesrelease.com/http:/greenesrelease.com/page_id=6404 (isn’t this perma link wrong?)

greenesrelease.com/?page_id=6404 works..This 6404 number was linked to the missing pages yesterday. But today when I see people have clicked on this link it works.

I am confusing myself now..

Any suggestions would be greatly appreciated…Thanks in advance.

Janet