>>Fred and Alex,
>>
>>The problem has been solved. There were two shortcut files in the disk that for some unknown reason choked up the windows and NT explorers. Once deleted via DOS command boxes, the problem went away. I have never heard about anything like that. Glad it wasn't my app causing it!!
>>
>>Thanks for your help.
>>
>>Alex
>
>What were these shortcuts doing (for future reference)?

I thought I made a copy of the sortcuts in a diskette, but it's empty. Tomorrow I will make another copy. I want to send them to Symantec (Norton) to analyze. I'll let you know what I find out.

Alex