Hi ilko_t - C:\Users\admin\AppData\Local\Temp is present and accessiable (logged in as Admin) - C: contains windows and has 13Gb free space - SP2 is winXP 64bit, SP3 is 32bit hence the amd64 I have run WinSetupFromUSB_1-0-beta8_testINS.exe from multiple paths same error, e.g c:\ , desktop, within the source dir, log file for this is attached thanks WinSetupFromUSB_TestINS.rar