Microsoft's free anti-virus software Microsoft Security Essentials (MSE) has become a lot of friends anti-virus tool, but in practice, there are often some problems can not be updated.
Unable to update the antivirus software means that the risk, so today to introduce you 2 can solve the MSE cannot update the method.
First type:
Microsoft anti-virus software MSE can not upgrade, unable to update the virus library, error code is 0x80070422. For this code 0x80070422, Microsoft's explanation is to check and start the following three services: Automatic Update automatic Updates (wuauserv), Background Intelligent Transfer Service (BITS), DCOM Server process Initiator (dcomlaunch), the startup type should be set to automatic. With the command, that is the following:
sc config wuauserv start= auto
sc config bits start= auto
sc config dcomlaunch start= auto
net stop Wuauserv
net start wuauserv
net stop bits
net start bits
net start Dcomlaunch
The second type:
We can complete the update through the console, the update process is MpCmdRun.exe, located in the C:Program FilesMicrosoft Security Essentials directory.
Run-cmd,
CD C:Program FilesMicrosoft Security Essentials
Mpcmdrun-signatureupdate
After the prompt is complete, the virus library for MSE is updated.