Desktop Network Neighborhood-Right-click Properties-Select TCP/IP protocol in the list and click Properties-Then click Advanced under the dialog box that appears-Select Options at the top of the dialog box that appears -TCP/IP filter point properties-Here you can set the closed port 135.

Closing this port is of little use. As long as your system is fully patched, you don't have to worry about viruses or network attacks.

After closing this port, it will have a certain impact on the file access of the network.