Win98FE, MSIEv5.02SP2
For sure, there are utilities which users install or options set in utilities used which are going to delete Cookies. One which does this with no rhyme or reason is MailWasher Pro. Of course I use it as follows but the anomaly is that the Cookie doesn't disappear until the second day, next day accessing the forum(s) == no proglem:
1. Download only -- I do not like all the bells and whistles of the entire program -- the autoexecuting "12-Wash" utility listed in the "Index" near the bottom of this page -- a free!1.5MB file.
2. When this utility is installed and executed, you'll see the tab "IE, IE, AOL" (click to see a screen shot here) but when clicked in the utility, it give you the option to delete "cookies" among other things along with an "Except" button that allows you to select those to keep and for which they are subsequently written to the system's registry and do not change unless you do so:
HKEY_CURRENT_USER\Software\12Ghosts\Wash CookiesToKeep(three-digit number)
3. Either create a batch file to start on boot with the two lines below and placed in the Startup folder or place the first line only in the Autoexec.bat file to purge cookies (the drive and path are determined by you):
@<drive> \ <path> \12wash.exe /silent /washall
@exit