248Mb of RAM, system resources 26% free....
Would it help if I did an ALT,CTRL, DEL and post what is running when I get the problem? I am sure I have seen the AcroRd32.exe running before as I do read lots of company manuals (obviously on cold, wet dreary days off with nothing better to do

) which are Acrobat files...
Can I run something that will show me what is using the system resources at any particular moment?
Thanks again.
PP
ps I have the problem at the moment as I type and I have noticed that the letters I type are lagging a little behind my keyboard strokes, which again makes me think it is a resource probelm rather than mouse...