Settings>Applications>System Applications>Contacts Sync Adapter and press Clear Data.
If you are using a weather widget on your homescreen, drag it to the trashcan. Then go into the settings menu > applications > all > application manager > weather and click force stop, then clear cache, then clear data.
Kung wala po diyan ang gumana, try going to Settings > Apps > Running > Lahat ng makita mong active apps except settings i-force stop mo.