一定是中毒了，請查殺病毒和流氓軟體。如果防毒之後仍然如此，那就試試這種方法：
防火牆項新增到登錄檔
如果正確修改登錄檔通過使用登錄檔編輯器或者通過使用其他方法 警告 可能發生 Serious 問題。 這些問題可能需要重新安裝作業系統。 Microsoft 不能保證可以解決這些問題了。 修改登錄檔需要您自擔風險。


要將 Windows 防火牆項新增到登錄檔, 請按照下列步驟操作： 1. 將以下文字複製到記事本, 然後再儲存檔案作為 Sharedaccess.reg： 
Windows Registry Editor Version 5.00


[-HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess]


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess]
"DependOnGroup"=hex(7):00,00
"DependOnService"=hex(7):4e,00,65,00,74,00,6d,00,61,00,6e,00,00,00,57,00,69,00,\
6e,00,4d,00,67,00,6d,00,74,00,00,00,00,00
"Description"="Provides network address translation, addressing, name resolution and/or intrusion prevention services for a home or small office network."
"DisplayName"="Windows Firewall/Internet Connection Sharing (ICS)"
"ErrorControl"=dword:00000001
"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\
74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\
00,76,00,63,00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20,00,2d,00,\
6b,00,20,00,6e,00,65,00,74,00,73,00,76,00,63,00,73,00,00,00
"ObjectName"="LocalSystem"
"Start"=dword:00000002
"Type"=dword:00000020


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Epoch]
"Epoch"=dword:00002cd0


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters]
"ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,\
00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,\
69,00,70,00,6e,00,61,00,74,00,68,00,6c,00,70,00,2e,00,64,00,6c,00,6c,00,00,\
00


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy]


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile]


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications]


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List]
"%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile]


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications]


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List]
"%windir%\\system32\\sessmgr.exe"="%windir%\\system32\\sessmgr.exe:*:enabled:@xpsp2res.dll,-22019"


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Setup]
"ServiceUpgrade"=dword:00000001


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Setup\InterfacesUnfirewalledAtUpdate]
"All"=dword:00000001


[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\SharedAccess\Enum]
"0"="Root\\LEGACY_SHAREDACCESS\\0000"
"Count"=dword:00000001
"NextInstance"=dword:00000001


2. 雙擊 Sharedaccess.reg 將此檔案的內容合併到登錄檔並可建立防火牆項。 
3. 重新啟動 Windows。 
4. 然後單擊 確定 、 開始 ， 鍵入 cmd , 和 執行 。 
5. 在命令提示符, 鍵入以下命令, 然後按 ENTER 鍵： 
Netsh 防火牆復位 
6. 然後單擊 確定 、 開始 、 鍵入 firewall.cpl , 和 執行 。 
7. 配置與要使用 Windows 防火牆設定。