After upgrading to build 60 using the standalone installer, attempting to start either TCMD.EXE or TCC.EXE gives a popup message box about a missing DLL, VirtualizerSDK32.dll. Uninstalled and reinstalled; uninstalled, deleted all remaining .EXE and .DLL files in my Take Command directory, redownloaded and reinstalled; no dice. I think that the standalone installer contains a damaged build. (32-bit; I have not tried the 64-bit.) Upgrading through the 'Check for Updates' feature did work, though of course I had to drop back to build 59 again to do that.