One or more websites cannot be opened, and other websites are normal

Fault symptom:
One or more websites cannot be opened, and other websites are normal. For example, Sina websites cannot be opened, and other websites are normal.
Cause analysis:
This problem may be caused by network server problems, machine setup problems, or the system or browser.

Solution:
1. Ask the customer if only a few webpages cannot be opened. We suggest you test whether other computers can be opened on the same page. If not, inform the user that if a website is opened and has a large relationship with the network server, it is recommended to change the time period for testing;
2. Ask if you have enabled the plug-in or software (such as the IE Toolbar) before. We recommend that you uninstall the plug-in or perform a system restoration test;
3. We recommend that you disable the add-on test (for example) because of the add-on ):



Click program -- Manage Add-on -- click it to disable the corresponding add-on (for example ):



4. perform the following steps to reset IE ):

1. Close all Internet Explorer Windows and Windows Explorer Windows.
2. Click start to open Internet Explorer.

2.1 In the search box, type Internet Explorer, and then click Internet Explorer in the result list.
3. Click "Tools.



4. Click "Internet Options ".



5. Click the "advanced" tab and then click "reset ".



6. In the "Reset Internet Explorer Settings" dialog box, click "reset ". If you want to delete Browsing History, search for providers, accelerators, home pages, trace protection, and ActiveX Data filtering, select the delete personalized settings check box.



7. After Internet Explorer completes the default application, click Close and then click OK ". Disable Internet Explorer. The changes will take effect the next time you open Internet Explorer.

5. Clear the IE cache. The procedure is as follows (for example): clearing the IE cache may affect users' access records, forms, and other information.
1. Open the intelnet option, find the browsing history, and click Delete (for example ):



2. select the option to be deleted and click Delete (for example ):



6. Recover or reinstall the system with one click.