我一直很佩服那些平常不上 hotfixes 的客戶 (尤其是 security hotfixes ) ，我也不否認有時候會有 application compatibility issues， 這個世界真的沒有完美的事... 

The Microsoft Security Update Guide
http://www.microsoft.com/downloads/details.aspx?FamilyID=c3d986d0-ecc3-4ce0-9c25-048ec5b52a4f&displaylang=en

  • Stage 1, Receive Microsoft Security Release Communications
  • Stage 2, Evaluate Risk
  • Stage 3, Evaluate Mitigation
  • Stage 4, Standard or Urgent Update Deployment Timeline
  • Stage 5, Monitor Systems
  • Ongoing Stage, Watch.