Remove Arrow of desktop

Edit the Registry

• run "regedit"
• find out " HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer "
• right click and add "key" , name it " Shell Icons"
• then create a new value inside the Shell Icons key, right click right side of panel create "New > String Value" and Name the new value "29"
• Double-click the new 29 and put value " %windir%\System32\shell32.dll,-50 " to box
• click "OK" and reboot computer

The second way download Ultimate Windows Tweaker

Windows 10 : Ultimate Windows Tweaker 4 for Windows 10 

Windows 7 : Ultimate Windows Tweaker v 2.2

打開Gmail 的 [ 低安全性應用程式的存取權]

 Windows Liver, OE 等要接收Gmail ,除了開放"pop3," 還要把"低安全性應用程式的存取權" 這個限制打開:

先網上登入Google A/C

然後按下 https://www.google.com/settings/security/lesssecureapps 

或者從 賬號>> 安全性>>低安全性應用程式的存取權

將"允許低安全性應用程式" 這項打開