Default Application automatically closes!

Hello all,
Recently I'm facing this issue. whenever i try to zoom in to the screen, the application gets closed. May it be Maps, Gallery or browser.. what can be causing the issue? I'm on G2V5 Rom..

Sent from my LG Optimus G Pro E980
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Phones:

Nokia 1100 ---> Nokia 2310 --> Nokia 5130 & Lava Arc 04--> SE Xperia Arc --> Sony Xperia Z (Sold, Miss it ) --> Fiery Red Nokia Lumia 720(gifted to bro) --> Samsung Galaxy Y (For some days. thankfully ) --> New LG Optimus G Pro (AT&T E980 Unlocked 32 GB version)