Browse to your Steam installation (Usually C:Program Files (x86)Steam)
Right click on Steam.exe (or binsteamwebhelper.exe), choose Properties
Click on the Compatibility tab
Uncheck any boxes that are checked, and click Apply
Then, click the "Show settings for all users" button
Again, make sure none of these boxes are checked, and click Ok
Click Ok to close any open dialog boxes.
Double click on Steam.exe to launch Steam.
Re-test the issue.