First, you can browse the courseware by modifying IE settings. Specific instructions are as follows:

1. Open IE Browser-Tools-Internet Options-Security-Custom Level.

2. Find ActiveX controls and plug-ins in the custom level.

3. Select Enable for all options of the ActiveX control.

4. Click OK to close IE browser and reopen browsing courseware.

Second, the abnormal description:

1. First, determine the software that can't use the function of [no popup window]. If the software with "blocking" function is installed on the machine and it is in the "on" state, the plug-in cannot be downloaded. The solution is to turn off the interception function or uninstall the software. These softwares include: 372 1 Internet Assistant, MSN Toolbar, Sina Dentsu, Baidu Super Search, Google Toolbar, Advertising Software, Alexa Bar Software, MereSurfer Software, Rising Company Kaka Security Assistant, etc.

2. If the machine is an XP system, turn off the firewall that comes with the system; How to turn off the firewall that comes with xp system: My Network Neighborhood-right-click Properties or open and select View Local Connection-Local Connection or Dial-up Connection-right-click Properties-Advanced Options-deselect the option "Protect my computer and network by restricting or preventing access to this computer from the internet". If another network firewall is installed, make sure that the firewall settings are correct.

3. After installing the Service Pack 2 patch package, Xp system has the function of preventing pop-ups. Close: Browser Toolbar-Internet Options-Privacy-Deselect "Prevent Pop-up"; 4, to ensure that the machine is not infected with serious viruses, it is recommended to install anti-virus software to carry out a comprehensive anti-virus on the computer; In case of virus infection, Rising may destroy or delete system files or download related files during antivirus.

3. The control cannot be installed. Windows blocked this software because the publisher could not be verified. If the installation cannot succeed because "windows has blocked this software because the publisher cannot be verified", please set up your browser.

1. Open the "Tools" menu of your browser and click "Internet Options";

2. Click the Security tab, and then click the Custom Level below;

3. Select "Download unsigned ActiveX controls" and set it to "Enable", then click "OK" button; 4. Go back to the courseware page, refresh the browser page, and click the 1 section to install ActiveX controls, and you can install them normally without being blocked by windows.

5. If not, proceed to the next step. Open the browser "Internet Options-Advanced Options" and select "Allow software to run and install, even if the signature is invalid".

6. After the control is successfully installed and the monitoring screen can be browsed normally, you can set "Download unsigned ActiveX control" as "Disabled" again according to steps 1, 2 and 3 for safety reasons.