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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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How to install BD after windows reinstall?
I can't find a way to download back Bit Defender. It says it is on my pc, but it is not.
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No System Tray icon after last update
Checked online solutions. None of them have worked. Windows 11 Pro.
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How I can install at least free version!
I'm really disappointed. I hope someone can help me and that I can get an answer without being banned 😓. I'm from a country where Bitdefender has prohibited and banned access. I've searched a lot and would truly like to use Bitdefender. Is there anything I can do?Just free version would be enough for me , how I can install…
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System reboots after 07/01 update
It seems like a process called "downloader.exe" in the C:\Program Files\Bitdefender\Bitdefender Security is causing multiple reboots of my machine. The crash dump indicates: Bug Check Summary PAGE_FAULT_IN_NONPAGED_AREA (0x50) Error Meaning: A process attempted to access memory that was marked as non-paged, but the page…
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Im a new user and I noticed way to many changes to my security that concerned me.
I notice that windows update was turned off from auto, that core isolations was turned off, Microsoft defender was turned off. who knows what else at this point. I feel like i should be concerned, should I?
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How to unblock PowerShell blocked by Bitdefender?
Hi, Bitdefender seems to be blocking PowerShell on my system. I need to use it for legitimate purposes, but it gets automatically blocked or closed. How can I allow or unblock PowerShell through Bitdefender? Thanks in advance for your help!
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Help installing Bitdefender Total security on new PC?
I have a new PC running on Windows 11. I have deleted the old one from my listed devices (I also have Bitdefender running on my mobile phone and iPad) but now can't install it on the new machine. I get this error message "Some files could not be created. Please close all applications, reboot Windows, and restart this…
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cant download my subscription
i cant download my subscription, everytime i try and it is loading it is suddenly stops and nothing happens
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bit defender updates software to 90% then doesn't continue.
When I cancel it the whole program shuts down, including the Firewall. I need to reboot to get it back and when I do there is a report of a critical error -2147024636. I'm on version 27.0.49.254. This only happens when I update the program, not just a regular update. The program update stops at 90%.
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Coretemp will NOT run with Bitdefender on Windows 11
I recently installed Windows 11, and had Bitdefender running with Windows 10 and Coretemp. When I went to Windows 11, and I tried to launch Coretemp, I got the error "Potentially unwanted apps detected", and the coretemp error "Driver has failed to load". I went on chat, and they couldn't solve my issue. I uninstalled…
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Windows 11
Hi. New laptop with Windows 11 installed. Finding it not compatible with BD antivirus. Do you offer a product that runs a Windows 11 device in S mode????? If so, how do I get please. Ta in advance.
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offline weekly update problem
i today get weeklyx86.exe from this link https://download.bitdefender.com/updates/cl_2022/x86/weekly.exe but afte install udpate i checked in plugins folder file update.txt : Update time: Fri Jun 13 16:37:48 2025 Signature number: 10444448 Update time GMT: 1749821868 Version: 7.99013 now time is 6 july but i get update 13…
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Windows 10 support after October 15
Hi everyone, How long will bitdefender still be supported for windows 10 after windows 10 EOL? I'm planning to get the windows 10 ESU that gives me an other year of security patches from microsoft, this might be extended even after the 1 year ESU and then there is always zero patch as well.
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Bitdefender version update failing, serious issue
Hi everyone, My bitdefender tried to update to the newer version, the icon of bitdefender then disappears like it always does with a version update but then doesn't reappear. After reboot bitdefender is loaded again at start but then after 15 minutes it tries to update the version again and again fails. In the "info" it…
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Bitdefender total security version 27.0.49.249 issue
Hi everyone, My bitdefender updated to version 27.0.49.249, I noticed 2 issues with so far. After the update installed I rebooted my PC and then after about an hour or so the tray icon showed a little yellow exclamation mark, when hovering my mouse over the tray icon I got a message saying "Action required: Add a valid…
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Custom scan results discrepancy
Hi everyone, After I've reset my windows 10 laptop with an image from December 2023 I ran a custom scan with the old version of bitdefender total security 27.0.25.116, this scan took 44 minutes and scanned about 2.9 million items. After I then updated bitdefender to the latest version 27.0.50.256 I ran the custom scan…
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update
Has anyone else went from version 27.0.51.260 to version 27.0.52.262 without having version 27.0.52.261 being done and wondering why it would not have installed as I understand it contained some major updates. Also VPN on Safepay has stopped connecting this seemed to have happen on the last window updates version…
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Was there a new product update?
In the early morning today I got a notification in the bottom right of my screen from bitdefender about a new product update with new features. I clicked okay and then got a notification from windows security that I needed to turn on virus protection, I know this can happen when updating so i wasnt worried. However, when…
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Total Security 2025
Just purchased Bitdefender Total Security 2025 at the Computer Active Store and have activated the new code. Looks OK with an updated expiry date on my devices. I have Version 27.0.52.262 dated 18/06/2025 14:11 so can you tell me if this is the 2025 version or if not, what do I need to do to get right up to date.
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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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BD Total Security Wants Me To Lower My Screen Resolution From 2560x1440 To 1024x768
This is more of a complaint than a question. When I installed BD Total Security, it wanted me to turn my screen resolution down to 1024x768 so it could fit on the screen. My OS recommended screen setting is 2560x1440, so I'm not about to turn it down just for BD and ruin the display quality for every other application.…
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Bitdefender has taken over my laptop!!
Today everything was blocked as a threat on my laptop, my email, teams, Google homepage. My computer got very hot and task manager told me it was bitdefender squirreling away. I forced stop but it would not allow me to do anything. On advice from AI I uninstalled bitdefender, but when I rebooted it told me I needed a…
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KB5063060 -is it really 87.7GB?
I ran a vulnerability scan and attempted to install the 2025-06 Cumulative Update for Windows 11 Version 24H2 for x64-based systems (KB5063060) — the maximum size is 87.7 GB, which seems unusually large to me. I do have just enough space, but the update is struggling to install. Any suggestions?
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Sometime Bitdefender Internet Security Does Not Start
Using Win 11…sometimes, when rebooting, Bitdefender does not start…any ideas?
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Please help me
I need to temporarily disable my antivirus software to troubleshoot an issue or install a specific program. How can I safely do this on my Windows or Mac computer? What are the steps to turn it off for a short period? Are there any precautions I should take to stay secure while it’s disabled? Please provide clear…
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Threat Database Updates
Hey just curious for the threat database last update time. It doesn't seem to coincide with my last update notification. Is this normal function? I didn't turn my pc on until 4am today.
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LOVE the product
I had given considerable thought before purchasing Bitdefender Total Security. For years I was using a competitor., and with that competitor product there were times when the downloading of virus updates hadn't taken place. I also found that product blocked certain places for which I had to sign in, so in order to do so, I…
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How to reinstall Bitdefender to my windows 11 desktop
I uninstalled all Bitdefender components from my desktop windows 11. Now I want to reinstall all the system components, but the Bitdefender says I have used all available slots of my subscription and wants me to purchase more. I have a subscription. I just want to get the original components back. What do i do? Thank you…
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Did MacOS Sequoia 15.4 break BitDefender?
There's an important Mac OS update that came out today, which I installed on my devices. The BitDefender app, which I downloaded from the Apple Store threw an error message that read: I'm puzzled as to what I should next.
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Unable to run Bitdefender?