Can anyone help me please. I have purchased the cross grade from Logos 5 to Logos 6 and installed ok on my Windows 7 desktop and Windows 8.1 laptop. My problems started with my Surface Pro 2. After completing the update, I started the install. After it started I get an error message " Installation of Microsoft .Net framework 4.5 did not succeed." The installation then stops and I am stuck with Logos 5. Does anyone have any idea how to fix this.