I have been using DX4win since 3.0 with various computers and operating systems w/o problem. I have used LPT 1 as my interface for CW keying. I recently switched to a new computer with XP OS. With this configuration rig control is as previously but I get the error msg "Can't find LPT1 for keying". I know vichwll.sys is required in Windows/system32 and it is there. Device manager shows LPT1 ..no problem. Any suggestions from the informed multitude or anyone else? Thanks guys, Howard..K2HK
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