TBB does not like the standard theme on Windows XP, Vista, and 7
The latest TBB does not like the standard theme on Windows XP, Vista, and 7. The minimize, maximize, and close buttons in the top right corner are not visible. And the box displaying certificate information is transparent and not solid. See the attached screenshot.
A temporary fix is to change to the classic Windows theme.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information