Help: I am still trying to resolve my cw woes. I received an email that said to add the following line to the AUTOEXEC.BAT file: LH C:\windows\smartdrv.exe a+ c+ The manual(ver 6.59)says to add the following to the CONFIG.SYS file: LH C:\dos\smartdrv.exe a+ c+ Which is it? Best regards, Michael Gulbranson CleanAir Technologies, Inc Tel: 952-544-9152 Fax: 952-545-2449