This problem cannot determine the cause of knowing only that Avira Free AntiVirus was unable to successfully update the latest versions released to the market, due to a faulty Avira server or the manufacturer’s transmission line. There are problems, not yet clarified. However, to overcome this situation is not without a way, you should follow the instructions in the following article to help Avira Free AntiVirus work normally again.
Fix Avira failure to update
For the best support, users should download and install the latest version of Avira Free Antivirus. Download here: Avira
Method 1: Reset parameters in Avira Free Antivirus and edit the Host file.
Step 1: After installing Avira, launch the software. On the toolbar click Extras -> Configuration (or use keyboard shortcuts F8)
Step 2: In the window Configuration -> General -> Security
In the right window, in functionality System Protect, disable the feature “Protect Windows host file from changes“
Click OK to save your settings
Step 4: Edit file Host
Open the file Host in Notepad (how to open the Host file mentioned in the article editing Host file). Copy the 4 lines below to the end of the Host file and save the Host file.
2a01: 138: a001: 201 :: 21 personal.avira-update.com
2a01: 138: a001: 201 :: 21 personal.avira-update.net
:: 1 personal.avira-update.com
:: 1 personal.avira-update.net
Method 2: In addition to editing the Host file, you can also interfere by changing the DNS of the computer system.
Step 1: Click the Internet icon on the system bar, click Open Network and Sharing Center
Step 2: In the item Connect or disconnect —> Click Local Connection
Step 3: Click Properties -> Internet Protocol Version 4 (TCP / IPv4) -> Properties
Select Tab General, in function Use the following DNS server address, change DNS
Preferred DNS server: Enter 126.96.36.199
Alternate DNS server: Enter 188.8.131.52
Click OK to save your settings.
After performing either of the above actions, restart Avira Free AntiVirus and try the Update function. This way you can update to the latest versions of Avira Free AntiVirus easily with upgraded features that help keep your computer safe.