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How to install Bitdefender on Windows
How to install Bitdefender on Windows (full guide here) This article guides you on how to install Bitdefender on Windows. Before proceeding with the installation, make sure your PC meets the system requirements. You can also watch the steps presented in the video below.
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Windows 10 ESU or 0patch?
Hi everyone, Microsoft will end support for windows 10 on the 15th of October 2025, they're however offering "extended security updates" (ESU). For this you will need to log in with a microsoft account and choose from 3 options, extend security updates for a year with either microsoft points, pay 30 dollar or set up a…
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How do I completely remove old Bitdefender files before reinstalling?
How to fix errors when installing Bitdefender? How to uninstall leftover antivirus files completely? Why is Bitdefender not recognizing my license after reinstall?
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No automatic updates
The Bitdefender Antivirus Plus application has stopped updating virus updates automatically. I have to do it manually. What is the reason for this and how can I fix the error?
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Unable to downloand the weekly.exe for windows 32bit definitions updates for windows 11
I downloaded from the tutorial, but it said it was for 64bit? After downloading and double clicking on the weekly.exe logo, it asked if I wanted to download for windows 64 bit, gave no other option, and then did nothing after I cliked on it. Nothing like on the tutorial asking if I agree, etc … ?
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Installation impossible sur un des appareils
Pour renouveler Bitdefender total security j’ai acheté une solution pour 3 appareils. Pas de problème pour l’installer sur mon smartphone et ma tablette mais impossible sur mon PC. Le code serait inexact et avec téléchargement cela ne démarre pas. Merci de votre aide.
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Any insights how to solve this error? I cannot setup email protection for an Outlook email address.
Every time that I attempt to set up email protection for my Outlook email account, I receive the following error: I've tried restarting but nothing helps.
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BD Antivirus Plus installer forces removal of firewall
Hi, I am trying out Bitdefender Antivirus Plus. I have downloaded the latest installer from the website but when I try to run it, it gets a little way in and detects my (non-bitdefender) firewall and wants me to uninstall this before allowing me to proceed with the BD Antivirus Plus installation. How can I try out BD…
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Need an offline installer for win 11 25h2. Need to install the bitdefender firewall prior to network
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unpacking installation file-processus stuck
Since several days, the process of unpacking installation file is stuck. Nothing happened. It's impossible to go ahead and impossible to crash this processus. Is there any solution. My bitdefender as made no update since several days. Any solution? I had space issue on my PC (c drive) when the process begun. How many space…
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Not being able to delete the bitdefender app and agent, as well as websites and browser not loading
Assistance Required for Application Uninstallation Issue I hope this message finds you well. I am writing to seek assistance with a problem I am experiencing after downloading an application on September 15, 2025. Following the installation, I encountered significant issues with my web browsers, including Bing, Google…
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Unable to login in bitdefender websites
Hi! May God be pleased with you mates, today i ve a unique and very strange problem. plz pay attention , it's not an ordinary or usual thing. i performed a clean installation of win 10 pro , then i tried to log in to my bitdefender central account , the web sites denied to accept my password, then i tried to log in using…
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Why does Bitdefender not recognize my username and/or password even though I registered successfully
Keeps telling me in red, "Wrong password" I have tried adding Bitdefender add-on extensions to Chrome, MS Edge and my FireFox browsers. None are working.
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I was sent a jason file "bdsyslog 2025.09.03-22.19jason
i unzipped it and it gave me a file above..cannot open it. what is it/
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just upgraded to Bitdefender premium
just upgraded to Bitdefender premium +VPN, and only use one device which is my laptop, when I open up my Bitdefender account it shows it is installed on two devices, on checking the security dashboard details one has the correct MAC address and the other device which is protected has a different MAC address (it may have…
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Update stops at 90%
Well its back. When I go to the right hand corner and right click on Bit Defender and select Update, it goes to 90% and stops. If I cancel the update all of Bit Defender shuts down. When I reboot and try to do the update again it says Threat Information Update 0.00 & Product Update 0.00. If I continue it stops at 90%…
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Dashboard
Hi, What happened to my dashboard ?. I can now only access a "dashboard" on the Bitdefender website. And not at all impressed. Several hours ago attempted to get a "Quick "Malware Scan". Eventually got as far as "Processing your command". Appears to be stuck there
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Thanks,
The current bit defender is light and does not slow down computer.
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Code Integrity Error Event ID 3033, is there a solution being worked on?
I did see this in another thread already created and the reason I am starting a new thread is because it said it was answered. There was no real solution in that thread or a fix. I am receiving this Code Integrity error Event ID 3033 with Information Event ID 3089 as well. It pops up in the log every minute. Event ID 3033:…
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BD Total security slowed down laptop considerably
I've had BD Total Security installed on my laptop for years with no issues. however, recently it has slowed things down almost to a standstill - the laptop is virtually unusable at times. I uninstalled BD and the laptop worked fine - so I know BD is the cause. I have removed all other antivirus programs and issue persists.…
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Windows 11 Update KB5065426(26100.6584) Size 88.5GB in Vulnerability scan results - Needs fixing!
Hi, Has anybody tried to install the latest update from Windows version mentioned in the title? I have never downloaded an update this size, even the win10-11 transition was not this big, if I'm not wrong..I was apprehensive of downloading this update because of the size, and its repercussions…This is probably a bug which…
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The current Bitdefender version, build number link.
I'm sure most of us know how to find our version, build number via the BD system tray icon, right-click, About. As well as clicking the life preserver at the top of the main UI Dashboard, and Product information at the bottom. But here is the link to confirm that the build you're on, is the most current build available.…
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Questions before switching
G'day As a long-time user of Norton's security suite, I am disillusioned with the direction this product is headed in with their 360 update. Despite much complaining on their community forums, they're not listening to paying customers, so I've decided to vote with my wallet and switch to an alternative. BitDefender is…
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Possible small bug when viewing the file location of a firewall alert.
This might be a small bug, but might be worth looking into. Whenever you open explorer to view the file of a firewall alert via the GUI it spawns explorer.exe /factory {75dff2b7-6936-4c06-a8bb-676a7b00b24b} -embedding under svchost in process explorer. This is normal and is usually spawned when you open a folder from…
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How can I turn off the anti spam toolbar in TB?
Hi, how can I permanently deactivate the Bitdefender anti-spam toolbar in Thunderbird? Turning the anti-spam module off in Bitdefender has no influence and if I deactivate the add-on in Thunderbird (or even delete the *.xpi file in the profile) it’s back again after restart. I asked the same via email form to the support –…
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Bitdefender firewall nordvpn threat protection issue
Hi everyone, When the nordvpn threat protection pro is turned on the bitdefender firewall does not create rules or enforces existing rules for webbrowsers like firefox and edge. It's only the "advanced browser protection" and "ad and tracker blocker" that are interfering with the bitdefender firewall. When these 2 features…
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List of BUGs to fix in the Home versions.
Hi, Below is the list of bugs that I think Bitdefender should work on as a priority before thinking about any new implementations. Obviously this has the sole aim of suggesting improvements that serve to make both the free version and the paid version increasingly competitive compared to the competition. I believe in the…
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Is it necessary to uninstall Bitdefender when upgrading from Windows 10 to Windows 11?
I would like to upgrade my current Windows 10 system to Windows 11 because of the looming end of support for Windows 10 in October. I do however have concerns about Bitdefender's Protection in regards to the upgrade process. Is it necessary to uninstall and subsequently reinstall Bitdefender when upgrading from Windows 10…
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Microsoft RDP to another computer on local network
I am unable to connect via RDP to another computer on my network. Both computers are running Windows 11 and both have Bitdefender Total Security. If I drop both firewalls, I can connect. I have added rules and still no joy. I can get to it using a third part tool, but I have always used MS RDP as its the best. Please help…
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Update Concerns
I read at startup Bitdefender automatically begins an update within 5 minutes; today at startup after 10+ minutes no update was initiated, so I manually started one. Why wasn't it automatically started? During the update when it reached 84%, message "configuration in progress…" showed and the security widget & Bitdefender…
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HUGE number of files flagged with generic detection with new update
I just had Bitdefender quarantine a huge number of files flagged with Gen:Variant.Barys.501519, and quarantined them which completely corrupted it beyond repair. Here is the VirusTotal result for some of the files: I would report all this as false positives, except for the fact that 1) the false positive report page is…