Android 2 2 gmail not updating regular expression for validating url
In Outlook, go to “File,” select “Account and Social Settings” and choose “Account Settings” to remove and re-add your Gmail account.
If new messages aren't syncing to Outlook 2013 and Office 365, the problem may be with a Windows Update.
You must uninstall these updates in order to re-sync your accounts.
Microsoft suggests avoiding the update if possible until the issue is resolved and a new update is released.
Overlay issues are usually caused by other applications installed on your Android device.
To resolve this issue, try disabling the app that is causing the overlay.