Method 1: Disable the automatic search for network printers and folders by changing folder options

1. Click Start, click Control Panel, click Appearance and Themes, and click Folder Options to open the Folder Options dialog box.
2. Click the View tab.
3. In the Advanced Settings list, click to clear the Automatically Search for Network Folders and Printers check box.
4. Click OK.

Method 2: Disable the automatic search for network printers and folders by changing the registry key

1. Click Start, type regedit in the Start Search box, and then press ENTER.
2. Locate the following registry subkey:
   HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\Advanced
3. Right-click System, point to New, and then click DWORD Value.
4. Type NoNetCrawling, and then press ENTER.
5. Double-click NoNetCrawling.
6. In the Value data box, type 1, and then click OK.
7. Close Registry Editor.