error on the Droid4X emulator. This pesky message usually strikes when the emulator's internal links for its installer or Play Store components break, or when a security setting blocks its path. Here is how our hero fixed it—and how you can too: The Tale of the Offline Installer
Before deep fixes, try these:
Sometimes the error isn't with the download mechanism but with a corrupted cache within the emulator's version of the Google Play Store. how to fix droid4x request download url failed work