upgrading app in the android market (google)

I do this process almost every day for other applications. But now I'm having trouble with an specific one. After I upload it, I click on activate (which works perfect), but when I go back to the market or refresh the old app 开发者_如何学运维shows as active and the new one still have the button of "activate"; i activate it again and the story repeats itself.

Enable these two options on Consent

This application meets Android Content Guidelines

I acknowledge that my software application may be subject to United States export laws, regardless of my location or nationality. I agree that I have complied with all such laws, including any requirements for software with encryption functions. I hereby certify that my application is authorized for export from the United States under these laws. [Learn More]

and then activate new version apk. Later click on save and then click on home link.

Deactivate previous version and activate current one.

Try use latest Google Chrome and deactivate and activate the current APK again.