Install apk via ADB [ Failure [INSTALL_FAILED_INVALID_URI] ] topic

Hey guys,

I try to install a apk file on my xperiaS via adb USB debugging connected.. I have this custom ROM installed: http://forum.xda-developers.com/show....php?t=2788234

I have setup my fastboot drivers and installed the latest 'Minimal ADB & Fastboot' from xda.. When I type my first command:
adb devices

I get the correct reply:

Code:

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C:\Minimal ADB and Fastboot>adb devices
List of devices attached
CB511XGGNQ      device

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But when I try to install the APK, I get this reply:

Code:

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C:\Minimal ADB and Fastboot>adb install app keepass2android.apk
3381 KB/s (17055729 bytes in 4.926s)
        pkg: app
        ver: /data/local/tmp/keepass2android.apk
Failure [INSTALL_FAILED_INVALID_URI]

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- I have enabled 'Unknown sources' in Security settings
- I unchecked 'Verify apps over USB' in dev options..


What am I doing wrong?, why does it fail to install.. :confused: