The page does not show the verification code what is going on?

Failure Analysis: First of all consider is not your speed is not to force the reason, resulting in the verification code delay does not show, more than a few refresh to see if you can show it. Second, browser compatibility, such as you use Google, you can change the IE browser to try. It may also be that your cookie file cannot be read or that your own system is causing the validation code to not appear.

Troubleshooting: First, the speed is not to force and browser-compatible

For the speed of the power and the browser is not compatible with the problem, you only need to check your network is normal and try to change a browser to understand is not this small problem caused.

Second, the Web page Flash plugin does not show not installed and browser cookies are not read

If the site's verification code is in the Flash format to display, you have not installed the Flash plugin, also can not be normal display, first of all, your Flash plugin updated the latest version. About the cookies file can not be read the phenomenon, but also belong to the browser itself, here on IE as an example, in IE Browser click on the menu bar "Tools---Internet Options---privacy", the privacy set to "medium", and then click "OK" can be. As shown in the figure:

Then switch to "advanced" in the switch to the Internet option, and then check "show Pictures" in the following section, or select "Reset" directly, and then press F5 to refresh to see if the verification code can be displayed.

Third, system failure

The system failure causes the verification code not to show the situation also has, may have the Pngfilt.dll file to be lost, first regardless this pngfilt.dll has not been lost, we download the Pngfilt.dll file to the C:windowssystem32 directory in line, then clicks on " Start-run, enter "regsvr32 c:windowssystem32pngfilt.dll" on the Run input box, the loaded hint indicates that the DLL file has been repaired, and now the page is refreshed to see if the verification code can be displayed.

System failure is also a number of XP users from the XP SP1 upgrade to the XP SP2, causing the verification code does not appear, many may not understand what is sp2,sp the English full name is the service pack, that is, the Windows operating system patch package. And SP2 words SP1 upgrade version, that is, SP2 has new features added to the SP1, and some site verification code is dynamically generated by the ASP XBM format of the picture, upgrade XP2 after the normal recognition of these XBM format pictures. The workaround for this is by modifying the registry. Open Notepad First and enter the following code on the Notepad

Windows Registry Editor Version 5.00

[Hkey_local_machinesoftwaremicrosoftinternetexplorersecurity]

"BLOCKXBM" =dword:00000000

When you are finished, save it as a "reg" format file, because the default is a txt text file, after you modify it to a reg format file, and then double-click to run the file to remove the failure. If this registry method does not work, you can manually modify the registry, first click on the Start menu, the "Start-run" window on the regedit to open the Registry Editor, click on the mouse in turn "Hkey_local_ Machinesoftwaremicrosoftinternet explorersecurity ", click the right mouse button in the right-hand window and create a new" dwoed value. " As shown in the figure:

After creating a new DWORD value, rename the new value to "BLOCKXBM", then right-click the "BLOCKXBM" item, modify this key value to 8 0, click OK to exit the registry, and now restart the computer to see if the failure is lifted.