deletefile failed error 5 when installing a program

when we install our software on XPPRO 4 out of 5 times we get the message deletefile failed code5 an error occured whilst trying to replace this file access denied c:\windows\system32\shdocw.dll
to get by it we just simply click ignore and the program installs and runs perfectly it is just this error message which is a pain and we cant find out to stop this happening any advice would be gratefully received

edit by admin: no contact info permitted on the forum, thank you

http://www.vbforums.com/attachment.p...id=47243&stc=1

Since this is an installation question rather than a programming question I've moved your thread to here. I also deleted your second, duplicate, thread.