Yaron Maor How. To Block Adobe Activation using the Hosts file Updated Jan 2. Adobe applications includes an activation mechanism since version 8. CS and later. You can prevent the application from calling home by manipulating the systems Hosts file. After we update the host file, when the application will try to contact the activation server it will be redirected to the loop back address 1. The Hosts file is a static name resolution table that overrides the systems DNS server settings. Notepad. the file is located at systemrootsystem. Please note that the file has no extension. To find the file manually 1. Open My Computer2. Open Drive C3. Open Windows folder. Where Is My Adobe Photoshop Serial Number' title='Where Is My Adobe Photoshop Serial Number' />Serial key for Adobe Photoshop 7 can be found and viewed here. We have the largest serial numbers data base. Have Album Starter Ed. Not techy so didnt know about that. When I try to save pix off my camera, they seem to automatically go. HowTo Block Adobe Activation using the Hosts file Updated Jan 2014. Photoshop free download now available legally from Adobe. To make things easier for our readers we have compiled a small and simple tutorial on how you can. Have several copies of Acrobat Professional that were purchased previously, installed and activated. However there is no documentation of the serial numbers, the. Open System. 32 folder. Open Drivers folder. Centos Yum Install Python 3 On Linux. Open Etc folder. 7. Double click the hosts file and choose to open using Notepad when youre asked. Run as Administrator. Win Vista7 with UAC turned on. Win. Desktop. later replace the original file with the new one you saved on the desktop using the file explorers Copy Paste. You will probably be asked to confirm the action using Administrator account. At the end of the file add the following list and save 1.