OPEN a command prompt with Administrator Rights (CTRL + SHIFT + Click CMD in start menu)
Step 1 : List all the installed software
# wmic product get name > progs.txt
Step 2: Edit the progs.txt to include following before and after the package name
Before:
Windows Live Messenger
After:
wmic product where name="Windows Live Messenger" call uninstall
Step 3: rename the file progs.txt to progs.bat
