Questions tagged [avast]

Antivirus program by AVAST Software

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Avast crashes explorer.exe

I have the latest Avast with 13 shields active on a home PC with Windows 11 . After a while of use (opening some files from local disks etc.) the exporer.exe starts to show errors like "Access to ...
Vojtěch Dohnal's user avatar
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13 views

Disable pre-run in Avast

Some apps avast pre-runs them once for a few seconds (probably to check their behavior or whatever in a sandbox) before really running them. How do I disable this pre-step?
Zohar's user avatar
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Approx. every hour, why does Avast pop up and "safely aborted connection on flashvd.net"?

On August 5 2021, my Avast started popping up the following approx. every hour that I use my Windows laptop. I don't recognize, and have never intentionally visited, flashvd.net. The snag appears to ...
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Win10 pro, avast doing DNS-request, I tested avast like 3 years ago and removed it as I did not need it anymore, still it's doing DNS-requests

I have this odd problem, is this OK traffic below? Log from my dns(Unbound&Pihole): 192.168.1.108 is my win10-pc. Don't even remember, when I used Avast.. Jun 25 22:46:21 dnsmasq[678]: reply ip-...
jps's user avatar
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1 vote
1 answer
257 views

Can I delete avast in programdata?

I have a avast software folder in my programdata and I'm pretty sure it's junk, I already uninstalled avast through control panel/deleting so should I delete the avast folder in programdata? I do have ...
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1 vote
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36 views

Which files in the Avast virus chest have been restored?

Is there any way to see which files in the Avast virus chest have been restored? When I restore a file, it doesn't disappear from the virus chest list. I would like to be able to see which files have ...
Franck Dernoncourt's user avatar
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279 views

How can I fix a boot loop caused by a damaged Avast installation?

I'm stuck in a boot loop. Can't even get into safe mode. More on the situation here and here. This happened when I reinstalled Avast. I want to now uninstall Avast. This is how I'm thinking of doing ...
JJrussel's user avatar
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What kind of file path starts with "\\.\"? [duplicate]

I use Avast Web Shield, and it intercepts TLS traffic from the browser using the env variable: SSLKEYLOGFILE \\.\aswMonFltProxy\FFFFDE812B3DD840 While I don't actually mind that it does this, and I ...
Stian Lund's user avatar
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0 answers
54 views

Boot loop after Avast reinstall

After creating a Linux bootable USB, I noticed that at start up I got an error message from avastui.exe "The application was unable to start correctly (0xc0000005) Click Ok to close the ...
JJrussel's user avatar
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1 answer
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git-lfs on WSL blocked by Avast Free Antivirus

The following problem suddenly turned up on my Windows 10 Laptop: I have been using the Windows Subsystem for Linux for years, and I've used git-lfs (git large file storage) on the WSL for several ...
M_F's user avatar
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How do I remove kext files after uninstalling Norton Antivirus on mac to then install Avast?

I removed Norton after having problems with it interfacing with MacOS on many levels. I proceeded with the standard Norton uninstall and found that it seemed to work. However, when adding Avast I ...
Farsight's user avatar
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378 views

High data usage by Avast

I migrated from Sophos to Avast because Sophos was downloading and uploading 2 GB per day (see High data usage by Sophos Home). But avast has the same problem. Here is the output of nettop on three ...
miguelmorin's user avatar
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How can I verify if virus threats are false positives or actually threats?

I was trying to install some time tracking applications: Procrastitracker and Fruitful Time based on suggestions from this question. Unfortunately, Avast keeps showing me messages about IDP.Alexa.51 ...
Real Noob's user avatar
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2 votes
3 answers
5k views

Which exceptions should I add for WSL and Hyper-V in Avast Firewall?

Summary: I have my firewall blocking the WSL server (Ubuntu 18.04) only when running on Visual Studio Code. It is also preventing my Hyper-V VM (Ubuntu 19.04) to establish almost every connection to ...
kerzek's user avatar
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2 answers
75 views

Can I install multiple antivirus software and have only one active?

For a long time I used Avast in Windows 7 but Windows 10 has the native defender antivirus. When I disable Avast, I still cannot turn on the defender real time protection (I think I would need to ...
Michael Sanders's user avatar
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1 answer
974 views

Windows 10 BSOD System_Service_Error when running VM under VMware Workstation 15 Player

I used to have my Ubuntu VM run fine inside VMware Workstation 15 Player under Windows 10. Today after a power outage, I suddenly noticed that each time I start the VM inside the player, I get BSOD ...
Ahmed's user avatar
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2 votes
1 answer
377 views

Avast is automatically attaching its advertisement to every email sent from the computer

I don't know how to get rid of this behaviour of avast. It is attaching it's promotion to each and every email sent through my computer. I am using free version. And the worst part is that I get to ...
prajjwal gupta's user avatar
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1 answer
4k views

Quit Avast on Mac Mojave

Is there a way so that I can remove Avast from the status bar and stop it running in the background? I can't seem to find a solution for this. I've tried stopping the processes on Activity Monitor ...
avatarhzh's user avatar
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1 answer
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Avast's HTTPS Scanning is preventing clients from accessing a Squarespace site

When HTTPS scanning is enabled in a client's Avast antivirus software (on a Windows machine) and they try to access the site, they get the messages below and the site doesn't load. If I turn HTTPS ...
allics's user avatar
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2 votes
1 answer
6k views

Should I disable network access to Windows registry?

Avast Antivirus (the free version) lists, as a "health problem," that my "registry may be visible to others," and recommends that I "disable network access to Windows registry to help prevent snooping....
bjkeefe's user avatar
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1 answer
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Unable to start most programs & services on Windows 10

Since yesterday I am facing an issue on my computer, that occured after I needed to force reboot because of a graphic card crash. When starting up my session, the sound service is not started, and my ...
adrienbouchoux's user avatar
3 votes
1 answer
164 views

How to uninstall antiviral software (Avast) when normal process fails with "Windows cannot access the specified device, path, or file"?

In switching antivirus software, I disabled Avast and am now trying to uninstall it through the normal Apps & features control panel of Windows 10. After confirming with Windows 10 that the ...
outis's user avatar
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7 votes
2 answers
95k views

Avast detected slow program

Recently my computer has just gotten so slow. I downloaded CCleaner and along with it came Avast. The former I ran and got rid of a bunch of junk slowing down my computer, but it was still slow so I ...
Caleb's user avatar
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1 answer
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FULLY stop an antivirus from running

I would like a way to fully stop Avast or any antivirus from running. I don't want to uninstall Avast or disable the Shields I want to be able to look in task manager and not see Avast running as a ...
Pizza's user avatar
  • 165
39 votes
1 answer
15k views

Avast on macOS High Sierra claims it has caught the Windows-Only “Cryptonight” virus

Yesterday I ran a full system scan using my Avast antivirus software and it found a infection file. The file's location is : /private/var/db/uuidtext/7B/BC8EE8D09234D99DD8B85A99E46C64 Avast ...
Lonely Twinky's user avatar
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1 answer
71 views

Avast Premier 2017 command line scanner for windows 7

Is it possible to configure avast command line scanner for the Avast Premier version?
Kva's user avatar
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Is Avast antivirus reading my emails?

So, I just found out that Avast is adding it's signature to my outgoing emails. I did a bit of googling to learn a bit more about this issue, and found this question: How does avast! add a signature ...
Sebastian Hahn's user avatar
2 votes
2 answers
2k views

Can an antivirus installed in the host machine detect a virus inside a guest OS in a virtual machine?

This is back in 2014. Question: Is the antivirus supposed to detect a virus which is running inside a guest OS inside a virtual machine? If yes, does this mean the host can be also in danger, or ...
jack's user avatar
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323 views

How to fully remove Avast? [duplicate]

On windows, I've uninstalled avast via control panel but this popup still appears at the bottom right of my screen after logging in to any user. I have searched all of my drives for 'avast' and ...
user2738698's user avatar
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1 answer
541 views

Unable to Install anti viruses on windows 10

I tried installing avast on my pc this morning and uninstalling MCafee which expired but I got the error message for both situations saying : "An administrator has blocked you from running this app. ...
Ayo K's user avatar
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117 votes
2 answers
26k views

What exactly does the Avast "remind me next century" option actually do?

When Avast needs to restart your computer after a program update, it provides an option to remind you "next century": Based on anecdotal responses to it that I've come across, it definitely doesn't ...
Hashim Aziz's user avatar
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1 answer
1k views

avast disappear and doesn't re-install/uninstall/repair [duplicate]

It happened this morning: Avast Antivirus Free just disappeared from tray icon ?! I checked the installation directories, and everything is in there, but the antivirus didn't started. I tried to ...
Correa da Silva's user avatar
1 vote
0 answers
118 views

Add Program or Process Name to Avast Exclusions

In Avast, is it possible (and does it work) to exclude an executable by name, without having to specify the whole path? For example, adding just devenv.exe versus adding C:\Program Files (x86)\...
jbwebtech's user avatar
  • 111
1 vote
1 answer
95 views

Strange Windows 10 Behavior

I just got back home from being away for a few hours. I usually sleep my computer (hardly ever turn it off). For reference, I use Avast Anti-Virus. When I hit the wake button and logged in I noticed ...
Nukesub's user avatar
  • 171
0 votes
1 answer
2k views

Configure Avast command-line scanner

Has anyone been able to setup the Avast command line scanner on windows OS to scan a thumb drive or external drive as soon as its connected?
Kva's user avatar
  • 21
2 votes
2 answers
2k views

How does Avast check the router password strength?

I just scanned my computer with Avast and it also did a check of my home network security. Now it's showing me, that my router password is too weak: https://help.avast.com/en/ws_android/1/...
John's user avatar
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1 vote
1 answer
2k views

Should I disable Windows defender when using Avast?

I have windows defender, Avast internet security and MWB, Windows 10, latest update. Usually Avast automatically disables windows defender, which is expected. But starting from yesterday, defender ...
Lynob's user avatar
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1 vote
1 answer
1k views

Avast keeps showing this virus error

I don't remember entering any "funny" website and this virus warning seems to pop-up at random once every day, anyone know what it is? How can I fix it? Object: http://mst.my03.com:8080/k.zip | [...
Cristy's user avatar
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6 votes
2 answers
15k views

What is the "Web Compat" Firefox addon - Avast suggest removing

I'm using Firefox 48.0.1 and I just booted Firefox up and I got a warning from Avast about a addon with a poor rating, the exact screenshot: I don't recall installing this addon and I can't find it ...
Brett's user avatar
  • 911
-1 votes
1 answer
81 views

Should I uninstall my antivirus after the windows update?

It seems that windows updated its antivirus with the anniversary update. I still have avast and malwarebytes installed. Should I uninstall any of these? I only have free versions of both
zerneboh's user avatar
1 vote
1 answer
24k views

Chrome won't allow access to web address - how do I get Avast to allow?

Using Windows 7, Avast anti-virus and Chrome. Trying to log into my own website which is getting blocked by Avast antivirus saying malware. Others are able to log in on other PC's and via mobile. ...
Kimberly Chase's user avatar
5 votes
4 answers
11k views

Windows 10 not booting: AswVmm.sys digital signature check failed

After freshly installing Avast Premier on a brand new HP ProBook 470 G2 with Windows 10 Home, I keep on getting the following message that prevents Windows from booting normally: The operating ...
Vojtěch Dohnal's user avatar
2 votes
1 answer
5k views

Where is Avast 2016 deleted files log?

I installed Avast, hoping it was going to give less false positives. It promptly concludes that half of my coding tools, custom programs, whatnot are "Virus-Gen" or "Malware-Gen" and other heuristics ...
speeder's user avatar
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0 votes
0 answers
178 views

Unexpected kernel model trap error using windows 8.1 family safety and avast

Does anyone know of a way that I can use the family safety feature in Windows 8.1 (64 bit) and keep Avast Internet Security 2016? I am using Windows 8.1 which allows for applying family safety to ...
TeaJay's user avatar
  • 109
2 votes
1 answer
141 views

How is Avast auto-inserting a signature into my browser based email?

I recently upgraded Avast and I just noticed it is inserting signatures into my webmail. i.e. in a browser, i type an email, see my regular signature, but when the email goes out, it appends it's own ...
w--'s user avatar
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1 vote
0 answers
206 views

Microsoft Edge disappeared

I had a message from Avast to delete Java 6 and update. I did that and then Microsoft Edge disappeared. Also after deleting 6 I found out that later versions would not work with Edge. Then after I ...
Eileen's user avatar
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2 votes
0 answers
133 views

What is Avast doing with autochk?

I've searched and searched, and can't find what these parameters do - can someone fill me in? autocheck autochk * \aswBoot.exe /M:hexadecimaladdress /wow /dir:"C:\Program Files\AVAST Software\Avast"\ ...
Jon's user avatar
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-1 votes
1 answer
96 views

Avast anti virus exclude files

I have a cracked program and i need avast to exclude the crack from scanning as it read it as virus How can i make avast anti virus to exclude some file to be scanned as it always read those files ...
user5474502's user avatar
5 votes
1 answer
2k views

SSL handshake fails for google.com only, in all browsers

I can't connect to google.com via HTTPS on any browser (Safari, Firefox or Chrome). All other sites (HTTPS or not) are fine. The error I get is ERR_CONNECTION_CLOSED in Chrome, Secure Connection ...
akxlr's user avatar
  • 243
2 votes
1 answer
572 views

Avast on OSX: How to add hidden files and folders as an exception?

I've installed avast from brew cask I'm trying to add /usr/local/share/metasploit-framework folder as an exception for a file system shield. Even though I have "show hidden files" option enabled on ...
drew1kun's user avatar
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