Users are 'running' torbrowser.exe from torproject.org
An increasing number of users are 'running' torbrowser.exe from the download page. This causes the 7zip extractor to extract to a temporary directory. Once IE is closed, the temp dir goes away, along with the extracted tbb.
Telling the user to 'save as' may work on our download pages.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information