The issue/problem is resolved. Found a post on an HTC forum that said on a Vista 64 box, the poster had had to install the htcsync.exe in order to install the driver for his phone. (I apologize, I don’t have that post’s link – had been going through several forums and had not saved the link for this post).
I installed htcsync.exe, plugged the MyTouch3G Slide into the USB cable, and lo and behold – four items were automatically installed and declared “Ready to use”: USB Composite Device, USB Mass Storage Device, T-Mobile myTouch 3G Slide, and T-Mobile myTouch 3G Slide USB Device. Now, "begginer programmed" apps can run on the phone, instead of the Eclipse/Android Plug-in. I’m not knowledgable enough to know why htcsync is needed, but it apparently is; at least in my Vista 64 environment. During the week between my original post and this, I successfully installed the Eclipse, Android SDK packages and the ADB Driver on an old XP 32 box. "htcsync" had not been installed , so it was not needed in that environment. This thread can be closed as "resolved", but I would appreciate hearing from anyone that knows why installing htcsync made a difference. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en

