IE Cache location:
C:>reg query "HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerUser Shell Folders" /v cache
HKEY_CURRENT_USERSoftwareMicrosoftWindowsCurrentVersionExplorerUser Shell Folders
cache REG_EXPAND_SZ %USERPROFILE%AppDataLocalMicrosoftWindowsTemporary Internet Files
C:>
Themes location:
%USERPROFILE%AppDataLocalMicrosoftWindowsThemes