I am having this same problem - rebooting doesn't help, so it is not a leak. 

I noticed this a few weeks ago and messing around with the Start8 configuration menu would restore everything after a few tries - it has happened a few times since and now today, I cannot get it to work at all.

How would I fix icon corruption?

Thanks.

Turns out that it is random for me - sometimes the menu is fine, sometimes blank.  For example, I just opened it and it looked fine - then I re-opened it immediately and it is blank.  The "All Programs" area works fine, it is the Pinned and Recent that are blank.  I don't think the icons are corrupt; there's something else wrong.

Generally, I can open the menu once but after that it will be blank unless I wait several minutes for it to "recover".

v 1.16

I managed to get it working again:

- safe boot - didn't really help

- checked an alternate user account - with that login, the Start8 menu worked fine and reliably

- used Regedit to remove (export and saved first) Stardock key from my HK_CURRENT_USR

- rebooted - still no love

- re-import REG data to restore the original Start8 settings - still not working

- used Task Manager to disable all Start Up apps that were not listed in the alternate user account

- sign off / sign on - Start8 Menu now working

- enable Start Up apps one by one and check Start8

- all enabled and Start8 is now working

I'm not loving this "fix" as it tells me nothing about what was wrong or what got fixed - and the problem could re-occur just as easily I suppose.  For now, it is working though.