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Code 505: Android error when installing applications

Unfortunately, no matter how the developers of mobile "operatsinok" tried to improve them, the new versions in the pursuit of the rating look rather raw. In particular, when switching to Android 5.0, many owners faced a fairly serious problem when the system itself when installing an application from the same Play Market gives a message with the code 505 "Error" (and unknown). What to do in this case?

Code 505: operating system error Android 5.0?

Naturally, all owners of mobile technology with the operating system Android version 5.0 on board immediately seek to write off all the shortcomings for the "operating system" itself, they say, it was not completely finalized. But is it?

Indeed, there are some problems with the system. But they most often concern the workability of already installed applications and their updates. As for newly installed software products, there are no problems here.

In which cases does unknown error 505 occur?

Of course, the situation with the appearance of such failures will not please anyone. Let's try to figure out the case when exactly and why error 505 occurs. What does this mean? It's just that the system does not recognize the so-called "self-signed" applications during installation. In other words, it does not trust not that the source, but also the signature of the developer, considering that it is either potentially dangerous or undesirable, or because it does not work in this environment (although it is not) .

And the saddest thing is that not all software developers for Android-systems monitor the creation of updates to their own software products in connection with the release of new versions of the OS. In particular, this concerns developments such as "GPS Antiradar" or HUD Speed.

In addition, for some reason, the greatest number of failures of this kind is observed on the Nexus 7 tablets . But one can not complain about the "operating system", because the devices themselves, according to the creators, are imperfect and often simply "hang" for no apparent reason.

The simplest methods of correction

So, let's take into account the situation that the failure did happen, and the message on the gadget screen appeared with code 505. The error is eliminated quite simply.

To start, if some old application does not work, you just need to completely remove it. Note that the standard scheme for deleting a program by dragging an icon to the Recycle Bin does not always help. After that, you need to clean the system with utilities like CCleaner for the presence of residual records. But that's not all. The fact is that some applications create hidden cache folders that, when uninstalled, are not deleted at all (for example, the VKontakte client or FL Studio Mobile music sequencer).

In the case of a re-installation, a link is made to existing files, which are defined by the installer itself as obsolete versions that cause a conflict. However, unlike the same versions of Windows OS, the Android system does not give permission to replace them. So it turns out that the application seems to be updated, and the cache is old.

But back to the time when error 505 occurs. How can I fix it in the simplest way?

To start, you should enable debugging mode via USB in the gadget settings. In the information about the device, you need to get the developer's rights, "tapping" 7 times on the line of the version of the system build (if there is root-right of the superuser, and even better).

Now we connect the device to the computer via USB, having preinstalled the Android Debug Bridge utility. Now run the file Run.bat, which is located in the ADB folder (no matter where it is on the hard drive of the computer), then the screen should show the successful execution of the commands contained in it. This will be a confirmation message: Success. Now you can start and install new applications without any problems.

In some cases, the problem may be related to developers, or rather, development tools. Then, too, a message appears with the code 505. The error in this case is removed by creating the installation APK-file not by the 15th version of Adobe Air, but by the 14th. In most cases, this fixes all problems with the subsequent installation of applications from the Google Play (Play Market).

Conclusion

As you can see, the problem unknown error, as the system reports, is generally recognized without special problems and is eliminated quite simply. In this case, the main factor is the use of specialized software and the inclusion of developer mode.

As for the creators of applications for Android 5.0, the Adobe Air development environment of the 15th version is also imperfect and that's why it can cause conflicts. As already clear, and there is a solution to the problem.

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