Some users can't install app since installLocation is added to the manifest

Since I added the install location to the manifest (tried both auto and preferExternal) and made my update available in the Market I get some users that can't 开发者_如何学运维install the application on their (so far only HTC Desire with Froyo) devices. Is there any known issue on this? Or better a working solution?

I got also the following workaround from a user. Unmount the SD card, install the app, and mount the SD card again does succesfull install the app.

It seems that this is a specific error with this specific device model. Your app cannot help that much. But, among some hacks, the device owner can also try this:

How to Install Apps to the SD Card by Default on Android 2.2 Froyo