Microsoft says: "Compatibility Issues...." with Windows 8

Oldest Living Blogger here says: "Not exactly. Click on 'Run the program anyway' and it will install itself, look at your hard-drive, and test it for you just as if it couldn't read Microsoft's cautions."  Above are the results of its Short Drive Self Test, which it says the drive has passed OK.

Dear Mr. Microsoft: This program from Seagate is testing the integrity of the computer's hard drive - not your Wonderful Windows 8 - so you are erring on the side of caution no doubt, but your apprehension is misplaced. It works fine.