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Malwarebytes BETA for Windows

How to enable beta updates in Malwarebytes for Windows

Version: 5.6.0.256
Component package: 158.0.5638
Release Date: June 09, 2026
Release Notes: Malwarebytes Beta 5


What’s new
  • Simplified adding files and folders to the Allow List, making it easier to manage your exclusions
Issues fixed
  • Resolved an issue preventing the Deep Scan results modal from displaying when many threats are detected during a scan
  • Fixed text wrapping issues on the Settings page
  • Fixed an issue causing tray notifications to appear off-screen when using multiple external monitors


Malwarebytes WHQL for Windows
Version: 5.5.7.256
Component package: 157.0.5638
Release Date: June 11, 2026
Release Notes: Malwarebytes 5


What’s New
  • Simplified adding files and folders to the Allow List, making it easier to manage your exclusions
Issues fixed
  • Resolved an issue preventing the Deep Scan results modal from displaying when many threats are detected during a scan
  • Fixed text wrapping issues on the Settings page
  • Fixed an issue causing tray notifications to appear off-screen when using multiple external monitors
 
Last edited:
Click to expand...

My Computer My Computer

OS
Windows 10
For BETA testers. Malwarebytes for Windows v4.5.14.210 - CU 1.0.1772 BETA is available.

Announcement: Malwarebytes 4.5 Beta

What’s New in this Beta:
  • Performance improvements
  • Detection and remediation improvements
Some Issues now addressed:
  • Fixed: Links in Scan results no longer redirect to a higher level of detection names (additional fixes or tests/ confirmed)
  • Fixed: MBAMService crash after DB update
  • Fixed: Quicken cannot update PNC bank info when Web Protection is enabled
  • Fixed: MBAM consumes all RAM and up to 60% CPU if the scan is scheduled to the winter time shifting
Click to expand...

The current release version is still v4.5.14.210 - CU 1.0.1767
 
Last edited:

My Computer My Computer

OS
Windows macOS Linux
Release version... v4.5.14.210 - CU 1.0.1772

Screenshot (203).png
 

My Computer My Computer

OS
Windows 10 Pro 64-bit 22H2 19045.4046
Computer type
PC/Desktop
Manufacturer/Model
Dell/Vostro 470 (Year 2012)
CPU
Intel i7-3770 @ 3.40GHz
Memory
8 GB
Graphics Card(s)
AMD 7500 Radeon HD Series
Sound Card
Realtek Hi-Def Audio
Monitor(s) Displays
Dell U2412M
Hard Drives
1 TB 7200 HDD
Keyboard
Dell/USB
Mouse
Dell/USB
Internet Speed
100/10
Browser
Edge
Antivirus
Windows Security/MalwareBytes Premium
For BETA testers. Malwarebytes for Windows v4.5.15.215 - CU 1.0.1784 BETA is available.

Announcement: Malwarebytes 4.5 Beta

What’s New in this Beta:
  • Robust support for systems upgrading from Windows 7, 8, 8.1 to Windows 10 or higher
  • Detection and remediation improvements
Some Issues now addressed:
  • Fixed: Security Advisor is not recognizing Browser Guard installed on Edge browser
  • Fixed: MB won't open from desktop icon nor mbamtray
Click to expand...

The current release version is still v4.5.14.210 - CU 1.0.1772
 

My Computer My Computer

OS
Windows macOS Linux
Malwarebytes for Windows v4.5.15.215 - CU 1.0.1784 has been released.

Announcement: Malwarebytes 4.5

What’s New:

  • Robust support for systems upgrading from Windows 7, 8, 8.1 to Windows 10 or higher
  • Detection and remediation improvements
Some Issues now addressed:

  • Fixed: Security Advisor is not recognizing Browser Guard installed on Edge browser
  • Fixed: MB won't open from desktop icon nor mbamtray
Click to expand...
 

My Computer My Computer

OS
Windows macOS Linux
For BETA testers. Malwarebytes for Windows v4.5.16.216 - CU 1.0.1789 BETA is available.

Announcement: Malwarebytes 4.5 Beta

What’s New in this Beta:
  • Detection and remediation improvements
Some Issues now addressed:
  • Fixed: Expert systems setting not honored after upgrade (RTP)
  • Fixed: Browser Guard integration doesn't work if MBAM is installed to non-default folder
  • Fixed: Ransomware protection will not turn on under certain circumstances
  • Fixed: Browser Guard integration doesn't work if MBAM is installed to a folder which has non-Latin letters in it's name
  • Fixed: Iris Toaster Message seen Twice in the same Day
  • Fixed: Resource leak in ARW driver initialization failure causes BSOD
Click to expand...

The current release version is still v4.5.15.215 - CU 1.0.1784
 

My Computer My Computer

OS
Windows macOS Linux
For BETA testers. Malwarebytes for Windows v4.5.16.217 - CU 1.0.1792 BETA is available.

Announcement: Malwarebytes 4.5 Beta

Issue addressed:

  • Fixed: CU70 Beta 1789 fails to update to new CU
Click to expand...

The current release version is still v4.5.15.215 - CU 1.0.1784
 

My Computer My Computer

OS
Windows macOS Linux
A new version of Malwarebytes is available -

2.png
1.png
 

My Computer My Computer

OS
Windows 11 Pro 25H2 (Build 26200.8728)
Computer type
PC/Desktop
Manufacturer/Model
Dell Pro Max Tower T2 FCT2250
CPU
Intel Core Ultra 9 285 5.6 GHz
Motherboard
64-bit operating system, x64-based processor
Memory
32.00 GB
Graphics Card(s)
Intel Integrated Graphics (128 MB)
Sound Card
Realtek Audio
Monitor(s) Displays
Dell P2714H Monitor
Screen Resolution
1920 x 1080
Hard Drives
1 x 512GB M.2 XG10d SED KIOXIA PCIe solid state drive (Internal)
1 x 2TB Seagate ST2000DM008-2UB102 HDD (Internal)
1 x 1TB Seagate STGX4000400 External HDD
1 x 4TB Seagate STGX4000400 External HDD
1 x 6TB WD Elements AE 2689 External HDD
PSU
500 Watts
Cooling
Air
Keyboard
Microsoft Wired Keyboard 600
Mouse
Microsoft USB Basic Optical Mouse v2.0
Browser
Firefox
Antivirus
Windows Defender + Malwarebytes Premium
Other Info
BaseBoard Manufacturer Dell Inc.
BaseBoard Product 022RY57
BaseBoard Version A01
For BETA testers. Malwarebytes for Windows v4.5.17.221 - CU 1.0.1803 BETA is available.

Announcement: Malwarebytes 4.5 Beta

What’s New in this Beta:
  • When do you want to scan next?
  • Enhanced Updating functionality
  • Detection and remediation improvements
Some Issues now addressed:
  • Fixed: Access Violation in MbamBgNativeMsg.exe Edge and Firefox Windows 11
  • Fixed: UI not opening after component update under certain circumstances (PrepareUpdate() method failed. needed clean/reinstall)
Click to expand...

The current release version is still v4.5.16.217 - CU 1.0.1792
 

My Computer My Computer

OS
Windows macOS Linux
For BETA testers. Malwarebytes for Windows v4.5.17.221 - CU 1.0.1806 BETA is available.

Announcement: Malwarebytes 4.5 Beta

Some Issues now addressed:

Fixed: UI telemetry sent in certain conditions.
Click to expand...

The current release version is still v4.5.16.217 - CU 1.0.1792
 

My Computer My Computer

OS
Windows macOS Linux
Malwarebytes for Windows v4.5.17.221 - CU 1.0.1806 has been released.

Announcement: Malwarebytes 4.5

What’s New:
  • When do you want to scan next?
  • Enhanced Updating functionality
  • Detection and remediation improvements
Some Issues now addressed:
  • Fixed: Access Violation in MbamBgNativeMsg.exe Edge and Firefox Windows 11
  • Fixed: UI not opening after component update under certain circumstances (PrepareUpdate() method failed. needed clean/reinstall)
  • Fixed: UI telemetry sent in certain conditions.
Click to expand...
 

My Computer My Computer

OS
Windows macOS Linux

My Computers My Computers

System One System Two

  • OS
    Win 11 Pro (25H2 RP)
    Computer type
    Laptop
    Manufacturer/Model
    Acer AN515-54
    CPU
    Intel(R) Core(TM) i5-9300H CPU @ 2.40GHz 2.40 GHz
    Memory
    32GB
    Graphics Card(s)
    Nvidia GeForce GTX 1650, Intel UHD 630
    Monitor(s) Displays
    Acer CB272D
    Screen Resolution
    1920x1080
    Hard Drives
    256GB and 1T SSD
    Internet Speed
    500MB
    Browser
    Edge (Stable)
    Antivirus
    Microsoft Defender
  • Operating System
    Win 11 Pro (RP)
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo Legion 5 16IAX10 - Type 83NX
    CPU
    Intel(R) Core(TM) Ultra 9 275HX (2.70 GHz)
    Memory
    32GB DDR5-5600
    Graphics card(s)
    NVIDIA® GeForce RTX™ 5060 8GB
    Monitor(s) Displays
    Acer CB272D
    Screen Resolution
    1920x1080 75Hz
    Hard Drives
    WD Green SN3000 (2TB)
    Samsung Portable T5 (2TB)
    Keyboard
    Logi MX Keys
    Mouse
    Logi MX Anywhere 3
    Internet Speed
    500MB
    Browser
    Edge
    Antivirus
    MS Defender
dbartenstein said:
So parity with the Beta now?
Click to expand...
The Malwarebytes' MBAM Program Manager would have made an applicable comment in the release announcement if a re-install was warranted.

IMO the Beta and the Release versions of CU 1.0.1806 are the same.

HTH
 

My Computer My Computer

OS
Windows macOS Linux
For BETA testers. Malwarebytes for Windows v4.5.18.226 - CU 1.0.1816 BETA is available.

Announcement: Malwarebytes 4.5 Beta

What’s New in this Beta:
  • Added a notification when you're on insecure wifi
Some Issues now addressed:
  • Fixed: Addressed an issue that could allow malware to evade detection
  • Fixed: Improved reliability of communication between Browser Guard and Malwarebytes 4
  • Fixed: Crashing bug with Anti-Exploit
  • Fixed: Legitimate websites are no longer blocked while connected to Sophos SSL VPN
  • Fixed: Error messages reporting "unable to connect to service" after a Malwarebytes upgrade
Click to expand...

The current release version is still v4.5.17.221 - CU 1.0.1806
 

My Computer My Computer

OS
Windows macOS Linux
For BETA testers. Malwarebytes for Windows v4.5.18.226 - CU 1.0.1819 BETA is available.

Announcement: Malwarebytes 4.5 Beta

Issue addressed:

  • In-App Cart Information for purchase
Click to expand...

The current release version is still v4.5.17.221 - CU 1.0.1806
 

My Computer My Computer

OS
Windows macOS Linux
New Malwarebytes Beta 4.5.18.226 version component package update 1.0.1823 available. See first post for more details. :-)
 

My Computers My Computers

System One System Two

  • OS
    Windows 11 Pro for Workstations
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom self build
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING (11GB GDDR5X)
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G75 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO M.2,
    TerraMaster F8 SSD Plus NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3 wall mounted
    Cooling
    Corsair Hydro H115i
    Keyboard
    Amazon Basics Wired Full Keyboard MD005
    Mouse
    Logitech MX Master 4
    Internet Speed
    2 Gbps Download and 100 Mbps Upload
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    CyberPower CP1500PFCLCD
    Galaxy S23 Plus phone
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Surface Laptop 7 Copilot+ PC
    CPU
    Snapdragon X Elite (12 core) 3.42 GHz
    Memory
    16 GB LPDDR5x-7467 MHz
    Monitor(s) Displays
    15" HDR
    Screen Resolution
    2496 x 1664
    Hard Drives
    1 TB SSD
    Internet Speed
    Wi-Fi 7 and Bluetooth 5.4
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
New Malwarebytes WHQL 4.5.18.226 version component package update 1.0.1823 available. See first post for more details. :-)
 

My Computers My Computers

System One System Two

  • OS
    Windows 11 Pro for Workstations
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom self build
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING (11GB GDDR5X)
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G75 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO M.2,
    TerraMaster F8 SSD Plus NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3 wall mounted
    Cooling
    Corsair Hydro H115i
    Keyboard
    Amazon Basics Wired Full Keyboard MD005
    Mouse
    Logitech MX Master 4
    Internet Speed
    2 Gbps Download and 100 Mbps Upload
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    CyberPower CP1500PFCLCD
    Galaxy S23 Plus phone
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Surface Laptop 7 Copilot+ PC
    CPU
    Snapdragon X Elite (12 core) 3.42 GHz
    Memory
    16 GB LPDDR5x-7467 MHz
    Monitor(s) Displays
    15" HDR
    Screen Resolution
    2496 x 1664
    Hard Drives
    1 TB SSD
    Internet Speed
    Wi-Fi 7 and Bluetooth 5.4
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
New Malwarebytes Beta 4.5.18.226 version component package update 1.0.1832 available. See first post for more details. :-)
 

My Computers My Computers

System One System Two

  • OS
    Windows 11 Pro for Workstations
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom self build
    CPU
    Intel i7-8700K 5 GHz
    Motherboard
    ASUS ROG Maximus XI Formula Z390
    Memory
    64 GB (4x16GB) G.SKILL TridentZ RGB DDR4 3600 MHz (F4-3600C18D-32GTZR)
    Graphics Card(s)
    ASUS ROG-STRIX-GTX1080TI-O11G-GAMING (11GB GDDR5X)
    Sound Card
    Integrated Digital Audio (S/PDIF)
    Monitor(s) Displays
    2 x Samsung Odyssey G75 27"
    Screen Resolution
    2560x1440
    Hard Drives
    1TB Samsung 990 PRO M.2,
    4TB Samsung 990 PRO M.2,
    TerraMaster F8 SSD Plus NAS
    PSU
    Seasonic Prime Titanium 850W
    Case
    Thermaltake Core P3 wall mounted
    Cooling
    Corsair Hydro H115i
    Keyboard
    Amazon Basics Wired Full Keyboard MD005
    Mouse
    Logitech MX Master 4
    Internet Speed
    2 Gbps Download and 100 Mbps Upload
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
    Other Info
    Logitech Z625 speaker system,
    Logitech BRIO 4K Pro webcam,
    HP Color LaserJet Pro MFP M477fdn,
    CyberPower CP1500PFCLCD
    Galaxy S23 Plus phone
  • Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Surface Laptop 7 Copilot+ PC
    CPU
    Snapdragon X Elite (12 core) 3.42 GHz
    Memory
    16 GB LPDDR5x-7467 MHz
    Monitor(s) Displays
    15" HDR
    Screen Resolution
    2496 x 1664
    Hard Drives
    1 TB SSD
    Internet Speed
    Wi-Fi 7 and Bluetooth 5.4
    Browser
    Chrome and Edge
    Antivirus
    Microsoft Defender
  • Like
Reactions: 1PW
For BETA testers. Malwarebytes for Windows v4.5.18.226 - CU 1.0.1838 BETA is available. (02-December-2022)

Announcement: Malwarebytes 4.5 Beta

Issue addressed:
  • Onboarding experience Enhancements/streamlining

The current release version is still v4.5.18.226 - CU 1.0.1823
 

My Computer My Computer

OS
Windows macOS Linux
Malwarebytes for Windows v4.5.18.226 - CU 1.0.1838 has been released. (05-December-2022)

Announcement: Malwarebytes 4.5
What’s New:
  • When do you want to Scan next enhancements
  • Updating to the newest version functionality enhancements
  • Onboarding experience Enhancements/streamlining
  • Improved performance
  • Improved detection and remediation
Some Issues now addressed:
  • Fixed: Failed to match SerialNumber field of the MB Sectigo certificate
  • Fixed: ARW exclusions are added inconsistently in Free mode
  • Fixed: 0x3b BSOD implicates MWAC
 

My Computer My Computer

OS
Windows macOS Linux
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