When trying to share only a single subfolder in [drive]:\Users\[user] (for instance C:\Users\JohnDoe\Downloads) the entire Users folder actually gets shared.
Eventhough the account used to install Windows 7 is part of the administrators group, you may find the need for a “real” administrator account to get the “old feel of absolute power and administrative control” over your PC back as you were used to in previous Windows versions.
Not everyone will find the new Homegroup feature in Windows 7 useful. Unfortunately there is no uninstall option to actually remove it, but here is how to disable it and remove it from Windows Explorer:
A standard Windows 7 installation comes already with a number of so-called Windows Features installed by default. To uninstall unneeded Windows features:
After upgrading Mozilla Firefox to a newer version, the previously installed add-ons do not work anymore.