Windows 7 installs an update with error code 8024402f

Fault Description

When attempting to run Windows Update online in Windows 7 to install a system update, you may encounter a fault code of Unknown error for 8024402f as shown.

Cause Analysis

Fault Code "8024402f - Windows Update has encountered an unknown error” There are several possible reasons:

1. Internet connection is busy, Windows Update Too many server update requests;

2. The computer running program prevents the 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 .

Solution

1. Please check if the Internet connection is smooth, close Windows Update, restart your computer, try connecting to Windows Update again later; if you still have problems, try to avoid the Internet. During peak hours, choose 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 performing Windows Update; if a proxy server is used, cancel the proxy server.

3. In the Start menu, expand “All Programs -“Accessories"-“System Tools", right click on “command prompt”, in the popup From the right-click menu, select “Run as administrator", then execute at the command prompt: SFC /SCANNOW

The PS:SFC /SCANNOW command will assist you in detecting and repairing all damaged or lost systems. file.

4. Next, we re-register some system files. Take the registration system file CRYPTDLG.DLL as an example:

Press the Enter key after typing the following command:

REGSVR32 C:\\Windows\\system32\\CRYPTDLG.DLL

Similar Use the same method to register system files in sequence: 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:\\Windows\\system32\\CRYPTDLG.DLL with the above module files.)

After re-registering the above system files , please restart Windows to have Windows reload the repaired system service Cryptographic Services. Then try connecting to Windows Update again.

Here, provide a batch file for registering the above files, write the following code into Notepad, and save it as “register.bat”, note the extension bat instead of txt.

Regsvr32 /s C:\\\\Windows\\\\system32\\\\CRYPTDLG.DLL

Regsvr32 /s C:\\\\Windows\\\\system32\\\\DSSENH.DLL

Regsvr32 /s C:\\\\Windows\\\\system32\\\\GPKCSP.DLL

Regsvr32 /s C:\\\\Windows\\\\system32\\\\INITPKI.DLL

Regsvr32 /s C:\\ \\Windows\\\\system32\\\\MSSIP32.DLL

Regsvr32 /s C:\\\\Windows\\\\system32\\\\RSAENH.DLL

Regsvr32 /s C:\\\\Windows\\\\system32\\ \\SCCBASE.DLL

Regsvr32 /s C:\\\\Windows\\\\system32\\\\SLBCSP.DLL

Regsvr32 /s C:\\\\Windows\\\\system32\\\\SOFTPUB.DLL

Regsvr32 /s C:\\\\Windows\\\\system32\\\\WINTRUST.DLL

Through the above steps, the Windows 7 installation update has an unknown error of 8024402f and should be removed.