title: Project has no project.properties file! Edit the project properties to set one
body: <p>Because of some problem I restored my XP. but now some of my projects don't work.
  it giving me the following error:</p>
  
  <p><code>"Project has no project.properties file! Edit the project properties to set one."</code></p>
  
  <p>I dont know what to do? Plz Help.Thanks in Advance!!!!<br>
  I also backed up my .android folder from system drive.</p>