Custom Level: Enable downloads blocking only to known Internet sites In Internet Explorer, go to Internet options, then select Settings, and select Internet and Network Then, click Custom Level: Block downloads to known Internet sites Select Internet Explorer's Advanced Settings, then scroll down to the bottom and click Select The site(s) that you want to protect should be highlighted on the list. Select it and apply the setting. By default, blocking of downloads will only occur when you browse to the site's website. So, don't worry if you have multiple websites with the same name. This setting protects all pages on every page of the website, and is not limited to the homepage, although it could interfere with the homepage page if you were browsing in the wrong tab. How do I block downloads to known Internet sites? In Internet Explorer, search Internet Options, set Internet Options and click the General tab, then click Block sites that come from any other websites This will block the downloads from the other websites. This is a quick and easy way to block sites from accessing the Internet via HTTP and HTTPS. How do I protect the Internet from online attacks? CSI Tip 5302. How to protect the Internet from Online attacks Internet Explorer, like Firefox, needs an ActiveX control to run Active malware attacks against sites. How Do I Prevent Internet Explorer from being Infected by Adware, Hackers, and Spammers? Go to File Create an exception and add the following text to the end of the file Run Microsoft .NET Framework. When Microsoft.NET Framework starts downloading, the registry key should be highlighted. It contains the information for the Windows XP Service Pack 1 (SP1), Windows Vista Service Pack 1 (SP1), or Windows XP Home Edition. To download the Service Pack 1 version of Internet Explorer, it's best to follow these steps. Open a command prompt and type the following, then press Enter: CD %USERPROFILE%\software\Microsoft\office\16.0\common\internet_explorer The folder will be created. Run the following command to update the registry: regedit.exe -s REG_SZ Enter the following text: HELM\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\WHOSO\CeipTaskSvc.