Sleeper is a small utility program developed by PassMark Software to help test the ability of PC systems to enter and recover from sleep and hibernation.
The .NET Framework Setup Verification Utility is a very small and portable tool that you can use to verify the presence of files, directories, registry keys and values for the .NET Framework that is installed in your Windows computer
When you have someone's email address, it is important to know if the it's valid and not fake or misspelt. Some mail servers bounce invalid email addresses while others will not. Here's a list of services that can verify email addresses more reliably.
If you have previously setup a lot of VPN connections by saving the username, password and the VPN address in Windows, here is how to export the VPN settings and then import it to another computer so that you don't need to manually recreate the connections again.
Most email services embeds the sender IP address to the email header. Here are a list of providers that does not include any identifiable information when send using SMTP.
Setting the wrong permission levels in windows could be dangerous as it will allow unauthorized users to mess with the folder or files. Rather than checking every single folder if the permissions are set correctly, you can use NTFS Permissions Reporter tool which is a great time saver.