雙擊任務欄諾頓的圖標打開諾頓的設置主頁:
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點擊紅框中的NortonProtectionCenter按鈕打開設置中心。/iknow-pic.cdn.bcebos.com/32fa828ba61ea8d3bbc7217d9b0a304e241f58e5"target="_blank"title=""class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/32fa828ba61ea8d3bbc7217d9b0a304e241f58e5?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="/32fa828ba61ea8d3bbc7217d9b0a304e241f58e5"/>
點擊設置按鈕，再點擊NortonInternetSecurity選項：/iknow-pic.cdn.bcebos.com/d31b0ef41bd5ad6eb73731938dcb39dbb7fd3cf8"target="_blank"title=""class="ikqb_img_alink">/iknow-pic.cdn.bcebos.com/d31b0ef41bd5ad6eb73731938dcb39dbb7fd3cf8?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto"esrc="/d31b0ef41bd5ad6eb73731938dcb39dbb7fd3cf8"/>
再點擊左側的個人防火墻按鈕：
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可以打開或者關閉個人防火墻。
殺毒軟件的作用：
是用於消除電腦病毒、特洛伊木馬和惡意軟件的壹類軟件。
殺毒軟件通常集成監控識別、病毒掃描和清除和自動升級等功能，有的殺毒軟件還帶有數據恢復等功能。
是計算機防禦系統（包含殺毒軟件，防火墻，特洛伊木馬和其他惡意軟件的查殺程序，入侵預防系統等）的重要組成部分。