[Q] How to fix google play services update issue - Sprint LG G3

So here is my basic issue at the moment:
I can get google play to work but uninstalling in titanium back up and reinstalling the apk manually and making it a system app. BUT it wont let me download apps or upfmdate apps or update google play services also I can't sync my contacts from my gmail account with my device. Thanks to one of the admins on here I was able to get google play up and running after it crashed the first time but sadly it has stopped functioning all together now. I have tried clearing the cache I haave wiped data but to no avail. I have even gone through the sames steps I used on my last thread to geet it working again but sadly the app fails after 2 to 3 minutes of being reinstalled. Does anyone know of a fix for this kind of an issue?

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When I try to download apps it gives me the following error now
Error retrieving information from server
[RPC:S-7:AEC-0]

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Wipe Cache in recovery

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That got playstore up and running still no contacts syncing tho :/

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turatt said:
That got playstore up and running still no contacts syncing tho :/
Click to expand...
Click to collapse
Do it through your settings

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I tried that and it said sync in encountering problems will be back shortly amd when i go to download apps it gives a new error
RPC:S-7 ACE-0 C26H-HF7N-FODQO

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turatt said:
I tried that and it said sync in encountering problems will be back shortly amd when i go to download apps it gives a new error
RPC:S-7 ACE-0 C26H-HF7N-FODQO
Click to expand...
Click to collapse
restoring anything to /system using titanium in lollipop doesn't work, yet. Remove your google account in settings/accounts then wipe cache again, you won't lose anything. Then wipe data from google services and play store, you can use titanium to do that. Reboot, wipe cache again, then add your google account (do not restore it from a backup) in settings/accounts, and let it sync.
also,
if you're using any kind of nodded play store to do that first sync it won't work

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syndre said:
restoring anything to /system using titanium in lollipop doesn't work, yet. Remove your google account in settings/accounts then wipe cache again, you won't lose anything. Then wipe data from google services and play store, you can use titanium to do that. Reboot, wipe cache again, then add your google account (do not restore it from a backup) in settings/accounts, and let it sync.
also,
if you're using any kind of nodded play store to do that first sync it won't work
Click to expand...
Click to collapse
I don't think I have a modded apk ill post the error codes I'm getting then try your method playstore just crashed and now I can't download apps :/

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Try to get a apk of titianium backup and unintalll the playstore and replace it with a verison from a set of gapps

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As it stands atm I cannot access playstore at all to update anything it stopped giving me error codes also. What I normally do when this happens is I uninstall playstore I remove my gmail account and wipe play services cache this used to fix it but now when I do all that playstore does nothing it just gives me a blank page