1. Client problem: The browser prevents the Web site from sending cookies to the browser, resulting in the verification code does not appear or the verification code is always incorrect;
Workaround: Open browser options → privacy → move the privacy level to ' medium ', or customize the privacy settings for individual Web sites.
2. Server-side problem: ADODB.stream components and fso[filesystemobject] components are prohibited [This component is IIS-enabled, default is on];
Judge:
At the verification code [unable to display as a red ' X '] Click the right mouse button → properties → Copy the address to the browser directly access to the verification code picture;
The display error is:
Server object error ' ASP 0177: ******** '
Server.CreateObject failure
Solve:
(1). Re-open the server ADODB.stream component:
Execute in Start-run:
regsvr32 "C:Program FilesCommon FilesSystemadomsado15.dll
(2). Re-open the server Fso[filesystemobject] component:
Execute in Start-run:
regsvr32/u Scrrun.dll
(3). If you are a virtual host please contact the space provider to solve the problem!