|Go to any document (doc file). Right click it and select "Open With".|
If it shows "Open.Office.org Writer" then use that.
Otherwise you have use Browse and follow this path to the EXE file:
"C:\Program Files\Open Office.org 3\Program\swriter.exe".
Make sure you have a check mark in "Always use this program.....etc".
I'm assuming Open Office 3 but the path above will be a guide whichever version
you are using. It won't fix your wiggly lines but it should get your docs opening again.
Always pop back and let us know the outcome - thanks