
I've wound up installing it and removing it multiple times, just to see if anything would change. This happened both with Win8.1 and Win10. If I click on install, it in fact installs the Yammer notifier.

However, what it extracts is something completely different: I double-click on the file and the self-extractor confirms that it's an Epson driver file: Epson has aĭriver update available, so I downloaded it.

Epson GT-1500 Scan software Type: ZIP SELF-EXTRACTING Version: 3.450 For: Windows 2000, Windows XP, Windows Vista, Windows Vista 64-bit, Windows XP 64-bit.

Epson Perfection 640U TWAIN 5 driver Type: PE Version: 5.71A For: Windows Vista, Windows 7.Epson GT-1500 Scanner and Scan Utility driver Version: 3.48 For: Mac OS X, Mac OS X 10.6.Epson Perfection 1640SU TWAIN 5 driver Type: PE Version: 5.71A For: Windows Vista, Windows 7.Epson Perfection 1260/1260 Photo TWAIN 5 driver Type: PE Version: 5.71A For: Windows Vista, Windows 7.Epson Perfection V10 EPSON Scan software Type: EXECUTABLE SELF-EXTRACTING Version: 3.0n For: Windows 2000, Windows ME, Windows XP, Other, Windows 98, Windows XP 64bit.
