How to install Alipay controls and certificates under Win7

For the installation of the password input control on Windows 7, you need to modify the following settings:
1, first set up the IE8 browser. In Tools - Internet Options - Advanced, uncheck the
enable memory protection to help system online attacks (this step is critical for resolving the inability to enter passwords).

2. Tools - Internet Options - Security, remove the check before the enable protected mod.

3. In the account control, set the prompt level to the lowest, User Accounts and Family Safety, user accounts, Change user account control setting in the control panel, and set never notify after entering.

4, restart the computer, or log out.
5. Log in to the Alipay website and you will be prompted to install the certificate. At this point, the password problem should be solved.

Or as follows:
Directly disable DEP data protection, open CMD (command prompt) as administrator and enter:
bcdedit.exe /set {current} nx Alwaysoff
Reboot will take effect, and logout will not work. Used Alipay, if you want to restore the original, change Alwaysoff to OptIn (system default), then you can enter the Alipay account.
The problem encountered when installing the certificate
Installing the Alipay certificate on Windows 7 will generally encounter 2 error messages.
Error 1: 800A138F Error
This error is caused by disabling the Microsoft Certificate Enrollment CAB and can be disabled.
Workaround: If there is an error with “ error code 800A138F”, you only need to install the “Yahoo Assistant” and then remove the shield from the Microsoft Certificate Enrollment CAB in the plugin management. Of course, you can remove the Yahoo Assistant later.
Error 2: 80070057 Error
This error is caused by the xenroll.dll control not being registered.
Workaround: Search for this file yourself (the file name is the keyword). Put it in the Windows/system32 directory of the C drive, and then click the "Start" menu, "Run", and type regsvr32 xenroll.dll to solve it.
Note:
1, when canceling the disabled Microsoft Certificate Enrollment CAB, you can also solve the problem by modifying the registry, see the appendix below.
2, for the xenroll.dll DLL file, there are many versions. Pay attention to the file version number “5.131.3686.0″ when downloading, other versions do not apply to Windows 7.