Help Why can't i install apps?

[CrazyTechnoBoy]

it downloads and everything but it sometimes doesn't install. Says "Install unsuccessful." But only on some apps. Any help?

 

[sitlet]

What apps does it happen with?

 

[CrazyTechnoBoy]

Almost every one i want to install or upgrade. Any help guys?

 

[sitlet]

Have you tried a battery pull?

 

[CrazyTechnoBoy]

I tried it but it didn't work, but I installed a new ROM and works great again!

 

[sitlet]

well you never said you were rooted. If you would have said that, I would have known that was your problem.