A family of Microsoft word processing software products for creating web, email, and print documents.
It's a "windows access rights" problem. Here are some potential solutions. You'll have to "change the names" to fix your Works problem, but the general idea applies:
Code 1401, 1402, 1406 Error or “program not installed for current user” “Setup cannot create Registry Key” “Setup cannot write the value to the registry key”- Error Installing Office or Opening Office App or Office File - FIX IT - Manual fix OPA11.dat / Opa12.dat / DATA.dat- http://support.microsoft.com/kb/838687
http://support.microsoft.com/kb/838687
http://quicksolver.blogspot.in/2012/02/unable-to-install-office-2010-or-office.html
How to trouble shoot problems that you may experience when you try to activate an Office product -http://support.microsoft.com/kb/903275****opa11.dat/opa12.dat data.datApparently this still applies to 2010