Q: i can open Itunes on my laptop after the latest update i did on my computer

Do you get an error message when you try to launch iTunes? If so, what does it say? (Precise text, please.)

Run time Error

program:c:\program files \itunes\itunes.exe

r6034

an application has made an attempt to load the c runtime library incorrectly

please contact the application's support team for more information

Many thanks, that's perfect. With that one try the following user tip:

Troubleshooting issues with iTunes for Windows updates