Keep your apps where you left them!
This repository is a modified version of the source appearing on the CodePlex Archive
A poorly named utility that persists window positions and size when the monitor display count/resolution adjusts and restores back to it's previous settings.
For those of you with multi-monitors running on a mixture of DisplayPort and any other connection, you can run this tool and not have to worry about re-arranging when all is back to normal.
The tool is crude and brute force for now but will improve.
Head on over to http://www.ninjacrab.com/persistent-windows/ to download pre-built executables and eventually installer.