Can't create file: right click the folder you want to create

Problem: File attachment in Outlook can't be opened, there is "can't create" error


This web page helped:
http://msmvps.com/blogs/steveb/archive/2007/08/24/can-t-open-or-save-an-attachment-in-outlook-2003.aspx

Problem was caused by hidden OLK folder. The location of it can be found here:
registry - find; OutlookSecureTempFolder
once found, there is location to OLKxx folder,
find it via My Computer or Windows Explorer,
delete its contents.