What does it mean that the online banking security control of rural credit cooperatives cannot be displayed and the window cannot be accessed?

This is because there is a problem with the WindowsInstaller service and the security control cannot be downloaded.

WindowsInstaller is a service that many applications need to install and uninstall. When this service is damaged, all programs based on WindowsInstaller will not be installed.

Please check whether the WindowsInstaller service can be started:

1. Press and hold the WIN+R key, open the operation, enter services.msc, and click OK.

2. Find the WindowsInstaller service, and double-click to see if the startup type of the service is automatic. Is the service status started? If not, please change it to automatic, click Apply, and then click the Start button.

Extended data

If the service cannot be started, the WindowsInstaller should be corrupted. Please try the following steps:

1. Press and hold the WIN+R key to start running, enter cmd, and click OK.

2. Enter the following in the command prompt window and press Enter after each line:

MSIexec/ deregistration

MSIexec/regserver

3. Please check whether the WindowsInstaller service can be started again.

The Microsoft official website -WindowsInstaller service cannot be accessed.