BrianDrab Administrator, Windows Update Instructor, Security Analyst Staff member Joined Oct 20, 2014 Posts 18,115 Location United States Jun 21, 2015 #41 Please follow these step by step instructions to enable registry auditing and to provide me your security log. Step#1 - Enable Registry Auditing 1. Right-click on the Start button and select Command Prompt (Admin) 2. When command prompt opens, Copy (Ctrl+C) and Paste (Right-click > Paste) the following command into it, then press Enter auditpol /set /subcategory:"Registry" /success:enable 3. You should get a message within the command-prompt that states "The command was successfully executed." Step#2 - Designate Registry Key to Monitor 1. Type regedit in the command-prompt window and hit enter. 2. The Registry Editor will open. 3. Scroll all the way to the top of the screen using the vertical scroll bar. You will see several root keys named HKEY_CLASSES_ROOT, HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE, etc. 4. Click the arrow next to HKEY_LOCAL_MACHINE so it expands and shows the info beneath this key. Then find SOFTWARE and expand this one. Continue doing this until you get to the Auto Update key (Microsoft\Windows\CurrentVersion\WindowsUpdate\Auto Update) 5. Right-click on the Auto Update key and choose Permissions... 6. Click the Advanced button. 7. Click the Auditing tab. 8. Click the Add button and then click the "Select a principal" link at the top of that form. 9. Type Everyone in the text box and click OK. 10. Click the Show advanced permissions link. 11. Check the box that says "Set Value". Uncheck all other options. 12. Click OK on this screen and the click OK again and then OK again to get out of all the screens. 13. You may close the registry editor and the command-prompt now. Step#3 - Change Windows Update Options 1. Go ahead and change your Windows Update options again so that they are they way you want them. Step#4 - Retrieve Security Event Log 1. Right-click on the Start button and select Event Viewer 2. Click the arrow next to Windows Logs and then click on the Security log. 3. Right-click on the Security Log and choose Save All Events As... 4. Select your desktop as the location to save and type Security for the File name and click Save. 5. If you are using a language on your machine other than English then on the next screen please ensure to select Display information for English and click OK. Otherwise you can simply click OK. 6. There will be a file on your desktop named Security.evtx. Right-click on this file and choose Send To..Compressed (zipped folder) which will create a file named Security.zip. 7. Please upload this file to SendSpace and provide the link in your next post.