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Bulletins and Alerts for HP ProBook 645 G4 Notebook PC
Select a category
All categories
Security Bulletin
Customer Advisory
Title
Severity
Category
Updated on
HP Software Packages (SoftPaqs) – Potential Escalation of Privilege
High
Security Bulletin
Apr 25, 2024
HP SoftPaq Installer Vulnerability
High
Security Bulletin
Apr 18, 2024
AMD® SMM Callout Privilege Escalation
High
Security Bulletin
Apr 11, 2024
Intel® Wireless Bluetooth August 2020 Security Updates
High
Security Bulletin
Apr 10, 2024
Intel® PROSet/Wireless WiFi Software April 2020 Security Updates
Medium
Security Bulletin
Apr 6, 2024
HP Connection Optimizer Escalation of Privilege
High
Security Bulletin
Apr 2, 2024
Intel® PROSet/Wireless WiFi and Killer™ Driver February 2021 Security Update
Medium
Security Bulletin
Mar 26, 2024
GRUB2 Bootloader Arbitrary Code Execution
High
Security Bulletin
Mar 25, 2024
HP Print and Scan Doctor - Local Elevation of Privilege
High
Security Bulletin
Mar 12, 2024
Intel® PROSet/Wireless WiFi Software November 2020 Security Updates
High
Security Bulletin
Mar 5, 2024
Intel® BIOS September 2020 Security Updates
High
Security Bulletin
Feb 29, 2024
Intel® High Definition Audio Driver November 2020 Security Update
Medium
Security Bulletin
Feb 29, 2024
Intel® Solid State Drive (SSD) November 2020 Security Updates
High
Security Bulletin
Feb 23, 2024
Intel® Wireless Bluetooth® November 2020 Security Update
Critical
Security Bulletin
Feb 23, 2024
HP Support Assistant Weak ACL and DLL Loading Vulnerability
High
Security Bulletin
Feb 1, 2024
HP PC BIOS September 2023 Security Updates for OpenSSL
High
Security Bulletin
Jan 5, 2024
Intel® PROSet/Wireless WiFi and Killer™ WiFi August 2023 Security Update
High
Security Bulletin
Nov 20, 2023
HP Print and Scan Doctor for Windows - Potential Escalation of Privilege
High
Security Bulletin
Oct 24, 2023
AMD Client UEFI Firmware May 2023 Security Update
High
Security Bulletin
Sep 21, 2023
HP PC BIOS November 2022 Security Updates for Potential TOCTOU Vulnerabilities
High
Security Bulletin
May 17, 2023
HP PC BIOS February 2023 Security Update (TOCTOU)
High
Security Bulletin
May 15, 2023
HP PC BIOS August 2022 Additional Updates for Potential SMM and TOCTOU Vulnerabilities
High
Security Bulletin
May 5, 2023
HP Business Notebook, Mobile Thin Clients, and Mobile Workstation PCs - SmartCard Authentication May Fail on Computer With eSIM Capable WWAN Module When SIM Is Installed
---
Customer Advisory
May 2, 2023
HP PC BIOS December 2022 Security Update (TOCTOU)
High
Security Bulletin
Apr 10, 2023
AMD Client UEFI Firmware November 2022 Security Update
High
Security Bulletin
Mar 17, 2023
HP PC BIOS August 2022 Security Updates for Potential SMM and TOCTOU Vulnerabilities
High
Security Bulletin
Feb 1, 2023
Intel SSD Firmware May 2022 Security Updates
High
Security Bulletin
Dec 13, 2022
Privilege escalation via HPSFViewer
High
Security Bulletin
Dec 6, 2022
AMD Client UEFI Firmware May 2022 Security Updates
High
Security Bulletin
Dec 6, 2022
HP PC BIOS February 2022 Security Updates for 11 Vulnerabilities
High
Security Bulletin
Dec 2, 2022
HP UEFI Firmware February 2022 Security Updates
High
Security Bulletin
Dec 1, 2022
AMD® Chipset Driver September 2021 Security Update
Medium
Security Bulletin
Oct 17, 2022
HP PC BIOS - May 2022 Security Updates
High
Security Bulletin
Sep 28, 2022
Privilege escalation in HP Support Assistant
High
Security Bulletin
Sep 9, 2022
Intel® Wireless Bluetooth® and Killer™ Bluetooth® February 2022 Security Updates
Medium
Security Bulletin
Aug 1, 2022
HP Jumpstart Escalation of Privilege
High
Security Bulletin
Jul 21, 2022
Intel Wireless Wi-Fi February 2022 Security Update
High
Security Bulletin
May 20, 2022
Intel® Wireless Bluetooth® and Killer™ Bluetooth® June 2021 Security Update
Medium
Security Bulletin
Mar 7, 2022
Multiple vulnerabilities in HP Support Assistant
High
Security Bulletin
Jan 25, 2022
HP Commercial Notebook PCs, HP Commercial Desktops, HP Mobile and Desktop Workstations - Systems BIOS Updates Will Use Windows Updates
---
Customer Advisory
Dec 2, 2021
PC Wireless Wi-Fi Adapter Driver Security Updates August 2021
Medium
Security Bulletin
Nov 16, 2021
Intel® PROSet/Wireless WiFi and Killer™ WiFi November 2021 Security Updates
High
Security Bulletin
Nov 9, 2021
Intel® PROSet/Wireless WiFi, Intel vPro® CSME WiFi and Killer™ WiFi May 2021 Security Updates
Medium
Security Bulletin
Aug 19, 2021
HPSBHF03678 rev. 2 - GRUB2 Bootloader Arbitrary Code Execution
---
Security Bulletin
Jun 24, 2021
HPSBHF03718 rev. 3 - Intel® PROSet/Wireless WiFi and Killer™ Driver February 2021 Security Update
---
Security Bulletin
May 25, 2021
HP Commercial Notebook and Mobile Workstation PCs - Windows OS Upgrade may hang (stall), or not be offered when attempting to perform upgrade
---
Customer Advisory
May 13, 2021
HP Desktop and Notebook PCs - New Micron 2200 SSD Firmware Released to Resolve Unknown Cause of Blue Screen or Hard Disk 3F0 Error
---
Customer Advisory
Mar 30, 2021
HPSBHF03702 rev. 4 - Intel® Solid State Drive (SSD) November 2020 Security Updates
---
Security Bulletin
Mar 24, 2021
HPSBGN03722 rev. 1 - HP Support Assistant Weak ACL and DLL Loading Vulnerability
---
Security Bulletin
Mar 15, 2021
HPSBHF03673 rev. 4 - AMD® SMM Callout Privilege Escalation
---
Security Bulletin
Mar 12, 2021
HPSBHF03712 rev. 3 - Sound Research DCHU Software Escalation of Privilege
---
Security Bulletin
Mar 12, 2021
HP Commercial Desktops, Notebooks, and Thin Clients PCs - Installing or Upgrading to Windows 10 Version 2004 or Installing KB4524244 or KB4535680 Results in Hang
---
Customer Advisory
Dec 19, 2020
HPSBHF03697 rev. 2 - Intel® PROSet/Wireless WiFi Software November 2020 Security Updates
---
Security Bulletin
Dec 10, 2020
HP Commercial Notebook and Desktop PCs - Sure Start Recovery Error Appears
---
Customer Advisory
Dec 9, 2020
HPSBHF03699 rev. 2 - Intel® High Definition Audio Driver November 2020 Security Update
---
Security Bulletin
Nov 18, 2020
HPSBHF03700 rev. 1 - Intel® Wireless Bluetooth® November 2020 Security Update
---
Security Bulletin
Nov 10, 2020
HPSBHF03684 rev. 2 - Intel® BIOS September 2020 Security Updates
---
Security Bulletin
Nov 3, 2020
HPSBHF03679 rev. 2 - Intel® Wireless Bluetooth August 2020 Security Updates
---
Security Bulletin
Oct 21, 2020
HP Business Notebooks, Mobile Workstations, and Mobile Thin Clients - HP Introduces HP Battery Health Manager To Help Optimize Battery Health
---
Customer Advisory
Oct 20, 2020
HP Commercial Notebook PCs - Windows Password Security Question Does Not Work if Computer Name Is as Same as Local User Account Name
---
Customer Advisory
Jul 31, 2020
HP Commercial Notebook PCs - Computer Powers Off Automatically When Powering On (While in Battery Ship Mode)
---
Customer Advisory
Jul 8, 2020
HPSBHF03664 rev. 3 - Intel® PROSet/Wireless WiFi Software April 2020 Security Updates
---
Security Bulletin
Jun 30, 2020
HP Commercial Notebooks and Mobile Workstation PCs - Wake-On-LAN Does Not Work When Fast Startup is Enabled
---
Customer Advisory
Jun 15, 2020
HP EliteBook 745 G6, ProBook 645 G4 Notebook PCs - Playback Is Blank When Attempting to Play a Screen Recording in Microsoft Power Point, or Windows Media Player
---
Customer Advisory
May 21, 2020
HP Commercial Notebook and Desktop PCs - Internet Explorer 11 May Exhibit Issues With Japanese Keyboard Layout When HP Sure Click Is Enabled
---
Customer Advisory
May 12, 2020
HP Commercial Notebook PCs - SoftPaqs Cannot Be Installed When HP Application Driver Is Disabled in HP Computer Setup (F10)
---
Customer Advisory
Apr 17, 2020
HP Business Notebooks and Mobile Workstations - Battery Not Charging
---
Customer Advisory
Apr 3, 2020
HP Commercial Notebook PCs - Catalog Error Code 80040154 Appears When the COM+ Applications Folder Is Opened
---
Customer Advisory
Apr 3, 2020
HPSBHF03639 rev. 4 - Intel WIFI Drivers and Intel PROSet/Wireless WiFi Software Security Advisory
---
Security Bulletin
Apr 3, 2020
HP Commercial EliteBook, Pro x2, Probook PCs - Black Screen Is Displayed for a Few Seconds When Playing an HD Video With the Movies & TV App
---
Customer Advisory
Mar 31, 2020
HPSBHF03661 rev. 1 - HP Connection Optimizer Escalation of Privilege
---
Security Bulletin
Mar 20, 2020
HP USB-C Dock G4, G5 - Resolution Issues on External Monitor(s) While Docked
---
Customer Advisory
Feb 21, 2020
HP Commercial PCs, HP Image Assistant - Error: "Failed to Launch Image Assistant 0xB/11" When Using McAfee Endpoint Security 10.6
---
Customer Advisory
Feb 20, 2020
HP EliteBook G5, ProBook G4 Notebook PCs - YouTube Video May Not Play Properly When Using Google Chrome
---
Customer Advisory
Feb 19, 2020
HP Notebooks, Desktops, Mobile Workstations PCs - Device Manager Displays an Exclamation Mark (Yellow Bang) on Unknown Device: ACPI\HPIC000C
---
Customer Advisory
Nov 26, 2019
HPSBHF03612 rev. 2 - Synaptics Audio Driver Package Allowing System Level Access to the Registry
---
Security Bulletin
Oct 30, 2019
HPSBHF03603 rev. 3 - Escalation of Privilege via Intel PROSet/Wireless Wi-Fi Software
---
Security Bulletin
Oct 16, 2019
HP Commercial Notebooks and Desktop PCs - Insufficient EFI Partition Size Prevents BIOS Update or Auto-Recovery
---
Customer Advisory
Oct 10, 2019
HP EliteBook and ProBook Notebook PCs - Computer Fails to Enter Standby or Hibernation After Updating the BIOS
---
Customer Advisory
Oct 9, 2019
HP Business PCs - STIBP Settings for HP Systems Using AMD Processors
---
Customer Advisory
Oct 8, 2019
HP Computers - A Security Vulnerability Has Been Found in Encryption Key Negotiation of Bluetooth Connections
---
Customer Advisory
Sep 16, 2019
Symantec Encryption Desktop - Missed Key Stroke Entries at Preboot Authentication
---
Customer Advisory
Sep 12, 2019
HP ProBook 640, 650 G5 Notebook PCs - DRIVER_VERIFIER_DMA_VIOLATION Occurs During Upgrade to Microsoft Windows 10 19H1
---
Customer Advisory
Jul 31, 2019
HP Business Notebooks and Mobile Workstations - Intel XMM 7360 LTE-A Module Stops Working After Resuming From Sleep
---
Customer Advisory
Jun 21, 2019
HP Computers - Cannot Install Intel Authenticate Version 3.7 After Upgrade to Windows 10 Version 1903
---
Customer Advisory
Jun 19, 2019
HP Computers - Microsoft Edge Browser Closes Itself About 10 Seconds After Opening
---
Customer Advisory
Jun 14, 2019
HP EliteBook 7xx, 8xx G5, ProBook 6xx G2,G3, G4, ZBook 14u, 15u G5 Mobile Workstation PCs - External VGA Monitor Is Not Detected When Projecting Using a Long VGA Cable
---
Customer Advisory
May 29, 2019
HP Business Notebooks - Micron 1100 Drive Firmware Update Recommended
---
Customer Advisory
Apr 9, 2019
HP Business Notebooks, Desktops and Workstation PCs - Brightness and Microphone Function Keys Do Not Work After Upgrading to Windows 10 Version 1809
---
Customer Advisory
Apr 9, 2019
HP Business Notebooks and Workstations PCs - Error 'An Error Has Occurred Retrieving Privacy Settings' Is Displayed After Performing a Full Reset on the PC
---
Customer Advisory
Apr 1, 2019
HPSBHF03581 rev. 4 - AMD Secure Processor and Promontory Chipset Exploits
---
Security Bulletin
Mar 21, 2019
HP Velocity - HP Recommends Uninstalling HP Velocity, Support Has Ended
---
Customer Advisory
Mar 18, 2019
HP Velocity - Computer Hanging With Blue Screen
---
Customer Advisory
Mar 11, 2019
HP Business Notebooks and Mobile Workstations - HP PC Hardware Diagnostics (UEFI and Windows Versions) Incorrectly Report Battery Error: Charge State - Blown Fuse
---
Customer Advisory
Mar 5, 2019
HP EliteBook 735, 745, 755 G5, ProBook 645 G4 Notebook PCs - Display May Flash When Loading High Resolution Graphics
---
Customer Advisory
Mar 4, 2019
HP Desktops and Notebooks PCs - Error 'This App Can't Open' Is Displayed After Performing a System Restore Using a Restore Point
---
Customer Advisory
Feb 28, 2019
HP Business Notebooks and Mobile Workstations - USB Keyboard and Mouse Not Working in HP Computer Setup
---
Customer Advisory
Jan 18, 2019
HP Commercial Notebook PCs and ZBook Mobile Workstations - High CPU Usage and Sporadic Freezing By FLOW.EXE Process
---
Customer Advisory
Jan 3, 2019
Advisory: HP Elite, Elitebook, Pro x2, Probook and ZBook Mobile Workstation PCs - Preboot Encryption Authentication Fails With Fast Boot Enabled
---
Customer Advisory
Dec 19, 2018
HP Business Noteboks - Video Lags, Blinks When Playing On External Monitor
---
Customer Advisory
Dec 11, 2018
Welcome to the product support page!
HP ProBook 645 G4 Notebook PC
Enter your serial number to check your warranty status
This product cannot be identified using the serial number alone. Please provide a product number in the field below:
Typical locations you may find a serial number on your product:
Back of product
Under the battery
For laptops, press Fn + Esc
For desktops, press Ctrl + Alt + s
For Chromebooks, on the sign in screen, press Alt + v
On the barcode
Learn more
Bulletins and Alerts
Add to your dashboard
Product may experience a HP Secure Boot error after installing a cumulative Microsoft Security Update.
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Product specifications
Product name
HP ProBook 645 G4 Notebook PC
Enter your serial number to view full product specs
This product cannot be identified using the serial number alone. Please provide a product number in the field below:
Typical locations you may find a serial number on your product:
Back of product
Under the battery
For laptops, press Fn + Esc
For desktops, press Ctrl + Alt + s
For Chromebooks, on the sign in screen, press Alt + v
On the barcode
Learn more
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