There are many friends who use win7 found in Windows7 running Windows Update online installation system update, often encounter the error code 8024402f unknown error prompt box. What should I do if I encounter this kind of problem? Let's take a look at the cause and repair of the unknown error of 8024402f in the Windows 7 installation update.
Win7 installation update failure analysis of 8024402f error code
1, Internet network connection is busy, too many Windows Update server update requests;
2, the computer running program prevents Windows update service from accessing the Internet . Programs that might do this include firewalls, anti-spyware, web accelerators, Internet security or anti-virus programs, or proxy servers;
3, system services Cryptographic Services or related Windows system files are corrupted or missing.
Win7 installation update troubleshooting 8024402f error code
1, please check whether the Internet connection is smooth, close Windows Update, then restart the computer, try to connect to Windows Update again later; if there is still a problem, try to avoid During the peak hours of the Internet, select a time period when the network connection is relatively unpopular and try to connect to Windows Update again.
2, please turn off all third-party firewalls, anti-spyware, web accelerators, Internet security or anti-virus programs with background monitoring before executing Windows Update; if using a proxy server, please cancel the proxy server.
3. In the start menu, expand “All Programs>-“Accessories"-“System Tools", right click on “command prompt” in the pop-up context menu Select “Run as administrator", then execute at the command prompt: SFC /SCANNOW, note the spaces after SFC.
4, we re-register some system files, take the registration system file CRYPTDLG.DLL as an example, in the command line window opened in step 3, type the following command and press Enter to execute: REGSVR32 C: Windowssystem32CRYPTDLG.DLL
5, use the same method to register system files: DSSENH.DLL, GPKCSP.DLL, INITPKI.DLL, MSSIP32.DLL, RSAENH.DLL, SCCBASE.DLL, SLBCSP.DLL, SOFTPUB.DLL, WINTRUST.DLL. (Just replace the CRYPTDLG.DLL part of the command REGSVR32 C:Windowssystem32CRYPTDLG.DLL with the above module files.)
6. After re-registering the above system files, please restart the system to reload the system. Repaired system services Cryptographic Services. Then try connecting to Windows Update again.
Provide a batch file for registering the above files here, write the following code into Notepad, and save it as “Register.bat”, pay attention to the extension bat instead of txt.
Regsvr32 /s C:Windowssystem32CRYPTDLG.DLL
Regsvr32 /s C:Windowssystem32DSSENH.DLL
Regsvr32 /s C:Windowssystem32GPKCSP.DLL
Regsvr32 /s C:Windowssystem32INITPKI.DLL
Regsvr32 /s C:Windowssystem32MSSIP32.DLL
Regsvr32 /s C:Windowssystem32RSAENH.DLL
Regsvr32 /s C:Windowssystem32SCCBASE.DLL
Regsvr32 /s C:Windowssystem32SLBCSP.DLL
Regsvr32 /s C:Windowssystem32SOFTPUB.DLL< Br>Regsvr32 /s C:Windowssystem32WINTRUST.DLL
Under the above registration system file, the Windows 7 installation update has an unknown error of 8024402f and should be removed.