Unable to connect to Google from Firefox in recent days


x509

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Location
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OS
Windows 11
I keep getting this error message when I try to do a Google search using Firefox.

Secure Connection Failed


An error occurred during a connection to www.google.com. PR_CONNECT_RESET_ERROR


Error code: PR_CONNECT_RESET_ERROR


  • The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
  • Please contact the website owners to inform them of this problem.
Searching on Bing seems to work OK. However, Bing is not being very helpfu, in trying to suss out this Google problem

W23H2 12631.4606
Firefox 134.02 (up to date)
 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    home built
    CPU
    AMD 7900x
    Motherboard
    ASUS AMD x670E ROG Strix E-A
    Memory
    64 GB
    Graphics Card(s)
    Nvidia 3060 Ti (but wanting to upgrade)
    Sound Card
    built-in
    Monitor(s) Displays
    Dell 24"
    Cooling
    AIO for CPU, fans for case
    Keyboard
    Das Keyboard 4
    Mouse
    Corsair M65 (white)
    Browser
    Firefox
    Antivirus
    Bitdefender
    Other Info
    Also have Lenovo T14S laptop (me) and Lenovo Slim 71 (wife)
Do a thorough clean of your Cookies and data
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 Build 22631.4249
    Computer type
    PC/Desktop
    Manufacturer/Model
    Sin-built
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz (4th Gen?)
    Motherboard
    ASUS ROG Maximus VI Formula
    Memory
    32.0 GB of I forget and the box is in storage.
    Graphics Card(s)
    Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    Sound Card
    Onboard
    Monitor(s) Displays
    4 x LG 23MP75 - 2 x 24MK430H-B - 1 x Wacom Pro 22" Tablet
    Screen Resolution
    All over the place
    Hard Drives
    Too many to list.
    OS on Samsung 1TB 870 QVO SATA
    PSU
    Silverstone 1500
    Case
    NZXT Phantom 820 Full-Tower Case
    Cooling
    Noctua NH-D15 Elite Class Dual Tower CPU Cooler / 6 x EziDIY 120mm / 2 x Corsair 140mm somethings / 1 x 140mm Thermaltake something / 2 x 200mm Corsair.
    Keyboard
    Corsair K95 / Logitech diNovo Edge Wireless
    Mouse
    Logitech G402 / G502 / Mx Masters / MX Air Cordless
    Internet Speed
    100/40Mbps
    Browser
    All sorts
    Antivirus
    Kaspersky Premium
    Other Info
    I’m on a horse.
  • Operating System
    Windows 11 Pro 23H2 Build: 22631.4249
    Computer type
    Laptop
    Manufacturer/Model
    LENOVO Yoga 7i EVO OLED 14" Touchscreen i5 12 Core 16GB/512GB
    CPU
    Intel Core 12th Gen i5-1240P Processor (1.7 - 4.4GHz)
    Memory
    16GB LPDDR5 RAM
    Graphics card(s)
    Intel Iris Xe Graphics Processor
    Sound Card
    Optimized with Dolby Atmos®
    Screen Resolution
    QHD 2880 x 1800 OLED
    Hard Drives
    M.2 512GB
    Other Info
    …still on a horse.
if that doesn’t work, try renaming the cert9.db file in your profile folder while Firefox is not running so that a new one is generated.

Backup first
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 Build 22631.4249
    Computer type
    PC/Desktop
    Manufacturer/Model
    Sin-built
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz (4th Gen?)
    Motherboard
    ASUS ROG Maximus VI Formula
    Memory
    32.0 GB of I forget and the box is in storage.
    Graphics Card(s)
    Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    Sound Card
    Onboard
    Monitor(s) Displays
    4 x LG 23MP75 - 2 x 24MK430H-B - 1 x Wacom Pro 22" Tablet
    Screen Resolution
    All over the place
    Hard Drives
    Too many to list.
    OS on Samsung 1TB 870 QVO SATA
    PSU
    Silverstone 1500
    Case
    NZXT Phantom 820 Full-Tower Case
    Cooling
    Noctua NH-D15 Elite Class Dual Tower CPU Cooler / 6 x EziDIY 120mm / 2 x Corsair 140mm somethings / 1 x 140mm Thermaltake something / 2 x 200mm Corsair.
    Keyboard
    Corsair K95 / Logitech diNovo Edge Wireless
    Mouse
    Logitech G402 / G502 / Mx Masters / MX Air Cordless
    Internet Speed
    100/40Mbps
    Browser
    All sorts
    Antivirus
    Kaspersky Premium
    Other Info
    I’m on a horse.
  • Operating System
    Windows 11 Pro 23H2 Build: 22631.4249
    Computer type
    Laptop
    Manufacturer/Model
    LENOVO Yoga 7i EVO OLED 14" Touchscreen i5 12 Core 16GB/512GB
    CPU
    Intel Core 12th Gen i5-1240P Processor (1.7 - 4.4GHz)
    Memory
    16GB LPDDR5 RAM
    Graphics card(s)
    Intel Iris Xe Graphics Processor
    Sound Card
    Optimized with Dolby Atmos®
    Screen Resolution
    QHD 2880 x 1800 OLED
    Hard Drives
    M.2 512GB
    Other Info
    …still on a horse.
If you have VPN or Proxy, disable them as they can cause this error.

Disable Firefox Extensions and Add-Ons.

Use different DNS servers like google DNS servers.


Disable any Firewalls or Security software to see the error resolves.

 

My Computer

System One

  • OS
    Windows 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP Pavilion
    CPU
    AMD Ryzen 7 5700G
    Motherboard
    Erica6
    Memory
    Micron Technology DDR4-3200 16GB
    Graphics Card(s)
    NVIDIA GeForce RTX 3060
    Sound Card
    Realtek ALC671
    Monitor(s) Displays
    Samsung SyncMaster U28E590
    Screen Resolution
    3840 x 2160
    Hard Drives
    SAMSUNG MZVLQ1T0HALB-000H1
please try in firefox
settings > general
at the bottom of that page
network settings > settings

mark .. Auto-detect proxy settings for this network
then click OK

close firefox down completely, log out then log back in
then retry the connection

best of luck, Steve ..
 

My Computers

System One System Two

  • OS
    Win 11 Home 24H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP 24" AiO
    CPU
    Ryzen 7 5825u
    Motherboard
    HP
    Memory
    64GB DDR4 3200
    Graphics Card(s)
    Ryzen 7 5825u
    Sound Card
    RealTek
    Monitor(s) Displays
    24" HP
    Hard Drives
    1TB WD Blue SN580 M2 SSD Partitioned.
    250GB C:/Windows .. 750GB D:/Home.
    2x 1TB USB HDD External Backup/Storage.
    Internet Speed
    900MB full fibre
    Browser
    Vivaldi .. Browser, Calendar, eMail.
    Antivirus
    AVG Internet Security
    Other Info
    Mainly Open Source Software
  • Operating System
    Windows 11 Home 24H2
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP 24" AiO
    CPU
    Ryzen 5 5500u
    Motherboard
    HP
    Memory
    32GB DDR4 3200
    Graphics card(s)
    AMD Radeon GPU
    Sound Card
    RealTek
    Monitor(s) Displays
    HP
    Hard Drives
    1TB WD blue SN580 M2 SSD Partitioned.
    250GB C:/Windows .. 750GB D:/Home.
    2x 1TB HDD External Backup/Storage.
    Internet Speed
    900MB Full Fibre
    Browser
    Microsoft Edge
    Antivirus
    AVG Internet Security
    Other Info
    Mainly Windows Software
    'The Wife's Computer'

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