Trouble After Install Avast Free Antivirus

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  1. Welcome to avast! Antivirus Home Edition version 4.8. Antivirus is a collection of award winning, highend technologies that work in - perfect synergy, having one common goal: to protect your system and valuable data against computer viruses. It represents a best-in-class solution for any Windows.
  2. The Avast antivirus can not be uninstalled completely even when the users delete it however some short-term files related to the application remain in the PC of many users which does not let them install some other anti-virus or re-install Avast anti-viruses.
  1. Trouble After Install Avast Free Antivirus Downloads
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  3. Trouble After Install Avast Free Antivirus Software
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File InfoDescription
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File Modification Date/Time:2019:09:30 17:42:16+00:00
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Code Size:133120
Initialized Data Size:79360
Uninitialized Data Size:0
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OS Version:5.1
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Subsystem:Windows GUI
File Version Number:2.1.1279.0
Product Version Number:2.1.1279.0
File Flags Mask:0x003f
File Flags:(none)
File OS:Windows NT 32-bit
Object File Type:Executable application
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Language Code:English (U.S.)
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Company Name:AVAST Software
File Description:Avast Antivirus Installer
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Legal Copyright:Copyright (c) 2019 AVAST Software
Product Name:Avast MicroInstaller
Product Version:2.1.1279.0

It’s easy to start protecting your PC or laptop against viruses and malware with the latest version of Avast antivirus for Windows 7. Just follow these easy steps: 1 Download the installer by clicking here. 2 Right-click the installer and click “run as administrator”. 3 Click “Install”. Repair Avast Antivirus Program. The second solution to fix the problem that Avast Behavior Shield turning off is to repair the Avast antivirus program. Now, we will show you the detailed solution. Step 1: Launch Avast. Click the Avast icon in the system tray or click the shortcut of Avast on the desktop to launch it. Restart Avast Antivirus Services. After trying the above method, if still, Avast antivirus won’t open. You can try to fix it by restarting the service to fix it. Just follow the step below carefully and after that, you can restart the Avast Antivirus services. Go to Start and type Services in the search bar and open the services.

Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

This week users of Avast's antivirus product have reported Internet problems after performing an upgrade of a product. If users also have Malwarebytes installed, reports are coming in that Avast is causing conflicts with that program as well.


Unfortunately, at this time in order to get both programs working properly together, you will need to disable a protection module from one of the programs in order to avoid the conflicts.

Avast 18.6.2349 causing connectivity problems

After upgrading to Avast 18.6.2349, numeroususerson the Avast Forums have started to complain about not being able to browse web sites. When users attempted to diagnose the issue they found that this is not a total loss of connectivity as they could ping IP addresses, but could were able to not access web sites via a browser.

When disabling the Avast WebShield component, which protects users from browsing to malicious sites or scripts, users reported that they were once again able to browse the web as normal.

In one support forum post, a Avast employee named Filip Braun stated that this problem could be caused by a failed update that left old Avast drivers behind.

Avast forum regulars are suggesting that users perform a clean install of Avast to see if that resolves the issue.

Trouble After Install Avast Free Antivirus Downloads

Avast causing conflicts in Malwarebytes

To make matters worse, Malwarebytes users who have Avast installed are also reporting numerous problems this week as well after upgrading Avast. Some of the issues being reported include being unable to open the program's dashboard, errors using Malwarebyte's support tool, Malwarebytes crashing, or the inability to keep real time protection enabled.

Some users have reported that they can get Malwarebytes working again by disabling the program's Web Protection component, which protects users from malicious sites. Others have reported that they can Malwarebyte's Web Protection component again if they disable Avast's similar 'Real Site Protection' feature.

According to a post by a Avast developer on the Malwarebytes forum, this issue is supposedly a conflict between the two program's web protection modules. The developer further indicates that Malwarebytes is not performing UDP filtering using a MS recommended solution.

While this could be one cause of conflict, there is obviously something else going on as users on the Avast forums have indicated that they are having problems after the 18.6.2349 even when they do not have Malwarebytes installed.

For now, according to Malwarebytes support engineer Devin Collins, if you are a MBAM user and wish to continue using their Web Protection module, you need to disable Avast's 'Real Site Protection'. Collins further stated that Malwarebytes is working with Avast/AVG to resolve these issues.

Bleeping Computer has contacted both Malwarebytes and Avast for comment, but had not heard back at the time of this publication.

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Update 9/3/18: Below is the statement BleepingComputer received from Malwarebyes concerning this topic:

“Upon first discovering the conflict between Malwarebytes and Avast, Malwarebytes reached out to a product manager at Avast, who put us in contact with one of their Real Site feature developers. This developer initially indicated that there was a problem with Malwarebytes Web Protection driver implementation. After cooperation and receiving detailed analysis from our lead driver developer, Avast determined there was a flaw in their driver implementation. They have indicated they have a fix and plan to release an update, but they did not provide any timing. In the meantime any Malwarebytes users experiencing these issues are advised to disable Avast’s Real Site feature.”

Trouble After Install Avast Free Antivirus Software

Update 9/5/18: Below is the statement BleepingComputer received from Avast:

'Both Malwarebytes and Avast inspect user datagram protocol (UDP) packages for security risks. This has created a problem for users who have paid versions of both Malwarebytes and Avast installed on their computers resulting in their internet not working. To resolve this problem, one of the products has to either disable itself, or implement a countermeasure. Avast has quickly created a mechanism to prevent this issue, allowing Avast and Malwarebytes products to coexist and run smoothly. In cooperation with Malwarebytes, we have discovered an additional problem that still needs to be addressed. We have prepared a fix, which Malwarebytes has verified, and will be released to our users this week in an automatic update. This update will improve the interoperability, not only with Malwarebytes, but with similar security products, as well, that inspect UDP packets in a similar way.'


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