I have a lot of space on my phone but can't download an app, why?

[AC Question]

I have 25mb free on my phone, and a brand new 4gb microSD card, but I still can't download an app that says it takes 8mb. I get the alert window that says "insufficient space". Why????

 

[xceeder]

I have 25mb free on my phone, and a brand new 4gb microSD card, but I still can't download an app that says it takes 8mb. I get the alert window that says "insufficient space". Why????

What phone and which version of android do you have ?

Sent from my Nexus 7