I saw someone else had a similar issue before. The scanner I have finds itself as a vulnerability. We do use symbolic links and separate uploads directory and are on a Linux server.
When I go to fix it (which maybe I shouldn't?) I get the following result:
File class-cg-tvs-filescanner.php at /var/www/html/myfilepathhere/wp-content/plugins/timthumb-vulnerability-scanner/class-cg-tvs-filescanner.php successfully upgraded.
A TimThumb error has occured
The following error(s) occured:
Could not create the file cache directory.
Query String : page=cg-timthumb-scanner
TimThumb version : 2.8.11