Learn about the error code 0x80070643
Get details about the causes and symptoms of error code 0x80070643. Also, learn how to fix the error.
The error code 0x80070643 would appear when you are trying to install the updates from the Update Website of Microsoft or from the Windows update service. These types of errors are generic errors stating that these errors are being caused by the Windows Installer itself. Just like the error 0x80070643, there might also be some other error code like 0x643. This type of error code might be created by the interruption of Internet security software or not working of Windows installer. You would be able to solve this error by adopting some simple steps. This would vary with the Operating System present in the system.
Following are the various tips to fix the error code 0x80070643:
- Remove the Internet security programs
- Check Windows Installer service is running
- Start Windows in Selective Startup mode
Remove the Internet security programs
Sometimes the Internet Security programs present in the system would cause such errors when you install the updates. So you need to remove this Internet Security programs firstly and then try to perform the installation. In the case of Windows XP you have to type 'appwiz.cpl' in the Run and press Enter. When you find any installed programs you need to uninstall all the third party security programs. After that you have to restart the system and then install the Microsoft Security Essentials.
Check Windows Installer service is running
You have to make sure that Windows Installer is running. In the case of Windows XP you have to type 'services.msc' and need to pres Enter. After that you have to right click the Windows Installer and then need to press click the Start button. If you find that the Restart and Stop options are being enabled but the Start is not, that means that the service has started already. Exit the Services window. You have to type 'cmd' in the Run and press Enter. After that you need to type MSIEXEC /REGSERVER and click Enter. Then you have to type MSIEXEC /REGSERVER and press Enter. After that you need to install Microsoft Security Essentials.
For starting Windows in Selective Startup mode in Windows XP, you need to type 'msconfig' in the Run and press Enter. After that you need to click the Selective Startup which is present in the General tab and have to clear the Load Startup Items check box. Then you need to choose the Hide All Microsoft Services check box which is on the Service tab. You would also need to clear all the check boxes for all the services that are present in that list. Finally, restart the system and try to install the Microsoft Security Essentials again. The error would not be there.
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