| today, another logon error" 80072efd "occurred in MSN. You cannot log on to the system after uninstalling and reinstalling the SDK. This error also occurred last week, but you have no choice but to reinstall the system. There are two solutions on the Internet. The record is as follows: Method 1: 1. in the notification area of the taskbar (near the clock), click the MSN Messenger icon, and then click exit ". 2. perform the following operations to clear Secure Sockets Layer (SSL): A. On the taskbar, click Start, and then click Control Panel ". B. Click "network and Internet connection ". C. Click "set or change your Internet connection ". D. Click the content tab. E. Under certificate, Click Clear SSL status ". F. When you receive the confirmation message, click OK ". 3. perform the following operations to pre-register the DLL file related to "encryption service": A. On the taskbar, click "start" and then click "run ". B. copy the following text and paste it into the "open" text box: regsvr32 softpub. DLL wintrust. DLL initpki. DLL C. click OK ". D. When you receive the confirmation message, click OK ". Depending on the computer, the third confirmation may take several minutes to display. 4. After the third confirmation, restart MSN Messenger and try again. Method 2: in advanced settings in Option-connection of MSN, clear socks, HTTP, and proxy contents, the check box also removes TCP, and test connection . In addition, the Messager uninstall method in Windows is as follows: Start> run the command rundll32 advpack. DLL, launchinfsection % WinDir % \ INF \ MSMSGS. INF, BLC. remove XP system verification passed |