Google Play Store error Codes is usually common in some Android device, some seems to difficult to fix or easy to fix. It's very frustrating
when one encounter such thing especially when you want to download your favorite app from Google play or to update your app. I have some Google play store error codes and how to fix them.

Google Play Store Error DF-BPA-09 "Error Processing Purchase:

This often happen to Android users when trying to download an app,and if you continue to download the error message will still pop out. So what you have to do is to go to the Settings of your device
tap on Applications or App Manager (the name is different depending on your device).
swipe to the ''All'' column.
scroll down until you see ‘’Google Services Framework’’
finally, choose ''clear data'' and then OK.
If this doesn't work, go on to the Google Play site on your PC and install the app that is giving you issues on your smartphone or tablet from there. When you go back to your device, the install should work.

Google Play Store Error Code 495:
This usually occur when trying to update or even download an app from Google store.

How to solve it:
Delete your Google Play Store data in Settings > Apps > All > Google Play Store > Clear data. Delete data from Google Services Framework also (note: this will assign a new Google ID to your device (as if you factory reset it), meaning your Google apps may temporarily act up a little afterwards).

Delete your Google account on the device, reboot your phone and re-add your Google account in Settings > Accounts > Add Account > Google Account.

Google Play Store Error Code 941:
This causes interruption during update

How to fix it:
Go to Settings > Apps > All > Google Play Store and clear cache and data. In the same place, scroll down to Download Manager and clear cache and data for it too. Try the update again.

Google Play Store Error Code 504:
App could not be downloaded due to an error

How to fix it :
go to Settings > Apps > All > Google Play Store and clear app cache and data. Also clear cache and data for Google Services Framework.

Google Play Store Error Code 491:
Downloads and updates impossible

How to fix it:
Remove your Google account by going to the settings for your device, then accounts and Google. Hit remove account. Reboot your Android and add the account once again. Next, in the settings, go to Apps (Applications) and swipe to find ‘All’ of your apps. Scroll down to Google Services, then click clear data and finally force stop.

Google Play Store Error Code 498
Interruption of downloads from the Google Play Store

How to fix it:
The problem is that the cache of your device is full. Delete unneeded applications and files. Restart your smartphone in recovery mode.
This mode provides a few more options. Select wipe cache partition by navigating between options with the volume rocker. Confirm using the power button.

Google Play Store Error Code 919
Downloading the app works but it does not open once downloaded.

How to fix it:
There is simply no more space on your Android. Eliminate all unnecessary data: music, videos or large applications.

Google Play Store Error Code 413
Downloading applications or updates is impossible. If you use a proxy, remember that it may cause problems with the operation of the Google Play Store.

How to fix it
Go to Settings, find Apps (or application manager), then swipe to All. Scroll down to Google Services and tap on clear data and then force stop. Do the same with the Google Play Store app and clear the cache from your internet browser.

Google Play Store Error Code 921
You can’t download an app.

How fix it:
Try deleting the cache of the Google Play Store application. If this doesn’t work, delete all the Play Store application data, but please be advised that this will consequently delete all the settings that you’ve already made. As a last resort, remove your Google account, restart the device and enter it again.

Google Play Store Error Code 403
The download is impossible and the request is ''forbidden''. This usually happens when two Google accounts are used to buy applications on one device.

How to fix it:
Go the Google Play Store with the correct Google account. Uninstall the application in question. Next try to get the app from Google Play again and click the purchase button.

OR

Clear the proxy you have possibly set up by going into the settings, then choose Wireless and Networks (or More networks) and then Mobile Network. Select APN, which stands for Access Point Name and hit Clear Proxy Option. Afterward you can always reinstate the proxy.

OR

Another solution would be get erase your entire search history which you can do in the Play Store itself by choosing the settings button. Next, select Clear search history.

OR

Try creating a new Google account and using it instead for the Play Store. Go to the Google Play, and select the menu button again. Then select accounts and choose the new Gmail account. Then re-install the app.

Google Play Store Error Code 923
The download is impossible: error while syncing your Google account or insufficient cache memory.

How to fix it
Remove your Google account and delete any useless applications that are just taking up space. Next, reboot your device in recovery mode. Select wipe cache partition and start your device as usual. Don’t panic, your personal data won’t be deleted. Set up your Google account once again.

Google Play Store Error Code 492
It’s impossible to install an application due to the Dalvik cache.

How to fix it

Go to settings, find Apps, then swipe to All and scroll down to Google Services. Here, select clear data and then force stop. Do the same on the Google Play Store app.

Note: If the problem is not solved, try deleting the Dalvik cache. To do this, enter the custom recovery mode (only if you have root). Another solution is to complete a data wipe/ factory reset. This option applies to all users and can be done in recovery mode. Beware, it will wipe your data so make sure you have backed up everything you wish to keep.

Google Play Store Error Code 927
The download is impossible because an update of the Play Store is in progress.

Solution

Wait a few minutes until the Google Play Store is completely upgraded. If the problem persists, go to settings, then Apps, swipe to All and locate the Google Services. Tap on clear data and then force stop. Do the same with the Google Play Store application.

You have probably guessed by now that there is a standard way of alleviating some of these errors and if there is a problem other than those mentioned above, you could try following the same steps. Always be careful when wiping your data or doing a factory/data reset, this will get rid of your saved pics, files, contacts etc, so make sure you backup all your data beforehand.

Google Play Store install error Code 961
Problems when installing Android apps from the Play Store.

Solution

First, get a refund from the Play Store, which you can do within 15 minutes of purchasing. To do this, select the repayment option in the Play Store. Next, go into the settings of your device and choose Applications and swipe left until you see ''All'' apps. Now scroll down to Google Play and choose it. Here, you want to empty the cache. And if the problem persists, choose to delete the data.

Google Play Store error of can't establish a network connection
How to fix itrequires root access)

Download file Explorer, open it and go to 'etc' folder of your device.

In 'etc' folder, locate the file called hosts.

Touch/press and hold the icon of the file to get its context menu and open the file in text editor.

In the file, there will be one IP address to the localhost, i.e. 127.0.0.1. Leave this as it is.
You will also see a second IP address, Put a # in front of it. (eg. #245.45.14.14). This will mark this entry as a comment and the device won't read it.
(I would suggest that you backup 'hosts' file before making any changes.)
Save the file and reboot your device.

OR
Just download and install adfree,Update the hostname and its done.

http://www.zpykios.com/2015/08/Fix-some-google-play-error-code.html?m=1

Lovely info. Thanks Op

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