Are you having a problem with Shelblock or just want to learn more about the ad blocking software? Our frequently asked questions are there to answer the questions you ask us most often. If you are wondering if Shelblock protects your data, if it is an antivirus program or if the tool can be used on your operating system, click on the relevant topic to find out the answer! For any other request about Shelblock and its services, send us a message using the contact form.