Quote: Originally Posted by wyaad1
Go to Programs and Features, highlight "Windows live Essentials" and select "uninstall/change" at the top. In the next window choose a repair to repair all installed components of of the Essentials package, including Mail. The 2011 version of WLM is buggy and that repair process fixes some things but since I haven't heard of this folder corruption problem, I can't say for sure it would prevent it.
The maintenance section of the general options for WLM has a "Message Store" option to tell you where to find the individual messages within Windows Explorer. This should be unaffected by the repair but you may be able to look there to see if your messages are there. (Although the titles are not descriptive, you can click on the *.eml files to look at them.) That would be another way to verify that they are really just duplicates of one another.