AVG antivirus Resident Shield will prevent HijackThis and Combofix from fixing an infection. You must disable it before the start of the removal of spyware and malware. Use the instructions below to disable Resident Shield.
Use the following instructions to disable AVG antivirus Resident Shield.
Double click to AVG icon on your desktop and you will see AVG antivirus control center as shown below.
Click to Resident Shield and you will see Resident Shield window similar to the one below.
Uncheck Resident Shield Active box. Click Save Changes.
Note: You can re-enable Resident Shield using the same steps, but this time place a check to the Resident Shield Active box in Resident Shield component settings.