Most probably, the "Enable ASP server-side script debugging" option is on
for the virtual directory your ASP scripts are running in. You must switch it off
for the progress bar to function.
Run MMC (Windows NT) or Internet Information Services (Windows 2000).
Bring up the properties of the virtual directory where your ASP scripts are running.
Under Application settings, click the "Configuration..." button.
Open the App Debugging tab. Make sure the option Enable ASP server-side script debugging
If the "Enable ASP server-side script debugging" is already off, try
disabling Session state on the App Options tab.
You also need to make sure permanent cookies are not disabled by your IE browser.
Windows 2003/IIS 6
Setting the maximum number of worker processes under the Web garden settings of the application pool
to a value greater than 1 will cause the progress bar to stop updating. Make sure this option
for your virtual directory's application pool is set to 1:
We thank Oliver Kinne of PLASA Ltd. to help us with this solution.