tcbhn.exe is located in a subfolder of "C:\Documents and Settings". Known file sizes on Windows 7/XP are 695,448 bytes (66% of all occurrences) or 692,888 bytes.
The application has no file description. The program has no visible window. It is certified by a trustworthy company. The process starts when Windows starts (see Registry key: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders). It is not a Windows system file. Therefore the technical security rating is 54% dangerous.