Initialize livecache

Hello,

I´m in LC10 transaction and I don´t have the button for initializa the livecache. I can only see the but start/stop/register LCApps.

I´ve the role SAP_BC_LVC_SUPERUSER. What can I do for view this button in this tcode?

Which is the function of Register LCApps button?

Any suggestion?

Thanks a lot.