Two issues ..

Two issues 1. Cannot download update for itunes on xp. have changed pop up blocker have checked internet security settings keeps stating check with your vendor......

2. I have an ipad when I try to sync with my pc itunes it wont let me stating it needs Version 10.5.3 but my ipad keeps stating it has the the latest version and my previous problems keeps me from updating pc arrrrgggghhhhhhhhhhhhhhhh