How to Resolve Window 10 Error 0x80071a91 with Webroot Antivirus?

Sometimes, users encounter Window 10 Error 0x80071a91 in their device. This issue can be fixed by run a deep scan with the help of Webroot antivirus through In this blog, you will read the method to fix Window 10 Error 0x80071a91.

Method To Fix Window 10 Error 0x80071a91:

1. Install Microsoft Hotfix:

To fix this issue, you should use Microsoft Hotfix. For this, you should visit to the Microsoft Support link. Now, you need to tap on Hotfix Download option. When you download, you should install the Hotfix by following the instructions. At the end, Restart your operating system.

2. Run Windows Update Troubleshooter:

For this, you should visit to Settings. Now, you should go to Update & Security and then tap on Troubleshoot. At this point, you should find Windows Update and then hit on Run the troubleshooter. Here, you should follow the instructions and then just restart your system.

3. Run Full System Scan With Webroot:

In order to fix this problem, you should run a full scan on your device with Webroot antivirus through as malware and viruses can corrupt your important system drivers. This antivirus will remove the malware and viruses from the computer system. It is compatible with your computer’s functionality and do not interfere with your PC. It timely gives updates just to identify and blocks the latest threats.

4.  Reset Windows Updates Components:

For this, you should right-tap on Start option and then choose Command Prompt (Admin). Then, you should tap on Yes option if it asks for permissions.

Stop the BITS, Cryptographic, MSI Installer, and Windows Update Services by writing the commands at a command prompt:

net stop wuauserv

net stop cryptSvc

net stop bits

net stop msiserver

You have to tap on Enter key after each command which you type. After this, you should Rename the SoftwareDistribution and Catroot2 folder just by writing the commands in the Command Prompt and then tap on Enter key after each command which you type:

Ren C:WindowssoftwareDistribution SoftwareDistribution.old

Ren C:WindowsSystem32catroot2 Catroot2.old

Here, you should Restart the BITS, Cryptographic, MSI Installer, and Windows Update Services by writing the commands in Command prompt:

net start wuauserv

net start cryptSvc

net start bits

net start msiserver

Now, you should write Exit in the Command Prompt in order to close it. At the end, you should rerun Windows Updates and then install latest updates.

5. Perform Clean Boot:

For this, you need to visit to the search box and then just type msconfig. After this, you should choose System Configuration just to open the dialog box. Then, you should find Services tab and then choose Hide all Microsoft services box. At this point, you should hit on Disable all and then visit to Startup tab. Here, you should hit on Open Task Manager. Now, you need to right-tap on each startup item and then tap on Disable. At the end, you need to Close Task Manager and then tap on OK button and just restart the computer.

6. Run System Restore in Safe Mode:

First, you need to Shut down your PC and then again turn it on. After this, you should go to the Run in Safe Mode option and then tap on Enter key. Now, you should visit to Start and then write system restore and press Enter key. Here, you should follow the instruction to go back to restore point. At last, you should wait for the procedure to finish and then just reboot.

For more information about Webroot, you should visit to

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