May be you are having broken installation of AVG antivirus or there is some problem in the program, then you need to repair the antivirus program. From start menu, go to Control Panel and open Add or Remove Program. Then select your AVG program from list and click change/remove button. Select repair. Then follow the onscreen instructions to complete the installation. Once you are done, don’t forget to restart your system. For any further information, feel free to dial at 0808-101-2159 AVG Support Number.