The normal partially displayed posts that show up in "My Threads" included those that were "deleted" - each of which linked to the forum at the place where the deleted post used to be.
We were wondering why they were still showing up in "My Threads" and why they were included in the total post count in "My Threads" - also, even more importantly, if these "deleted" posts were visible to anyone using the search for all threads by that user.
The two issues are likely unrelated. I'm not 100% where the "My Threads" features you are referring to is located. The IB search shares almost no logic with the core VB application so it isn't likely to be affected by VB bugs.
However, we did have a problem with deleted posts showing up in the search. That should, at this point be fixed (note that moderators and others who can see deleted posts will see them in search as well). If people are still seeing deleted posts please let me know.
Kevin