每次登入网优2.0，都会携带赛门铁克，导致EXCEL下载乱码，有没有哪位大神知道如何卸载赛门铁克的，谢谢！

可以在开启电脑后关闭“赛门铁克”。。

要下载一个工具CleanWipe.zip来卸载，然后打开工具，一路下一步，选择那三个要卸载的框，再下一步，再选择自动重启的框，再下一步就开始卸载了，重启后会自动运行工具继续卸载，直到提示完成。

To download the utility, open the following web page in a browser:

https://fileshare.symantec.com

Log in with the following information:

Login ID: cleanwipeutility
Password: CL3@nw!p3

Once you have downloaded the utility, please follow these instructions.

Note: The .zip file may be password protected.
Un-Zip Password: symantec

1. Extract the file to a new folder in a convenient location, such as the Desktop, using the un-zip password provided above.
2. Browse to the new folder and execute the utility by double clicking ‘CleanWipe.exe’
3. Follow the on-screen instructions.

The utility runs in verbose mode and will ask you about the components you want uninstalled.