Click the Start menu in the lower left corner of the computer, and then select Run. Or press the keyboard start key +R directly.

Enter cmd to enter the command prompt.

Copy the following string

Netstat-ano-ptcp | find "445" > Nul2 & gt Nul & Ampecho445 port is open, please close the port and patch it as soon as possible || echo 445 port is not open, so you can use it safely.

Then click the right mouse button to paste. Note: cmd cannot be pasted with ctrl+V shortcut key!

Press Enter after input to see if port 445 is closed.

If prompted to open, please close the port and install the patch as soon as possible!

Close dangerous ports such as 445 with one button:/infoview/article _115812.html.

Microsoft ransomware patch:/softview/softview _ 477016.html