Razer Synapse crash error on every start of Windows 10 PC | Razer Insider

Razer Synapse crash error on every start of Windows 10 PC

  • 4 April 2021
  • 1 reply
  • 35 views
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For a few weeks now - was completely fine before for more than 2 years - everytime I start my Windows 10 PC I get this error of Microsoft .NET framework error, with error text saying cannot connect to 127.0.0.1:5426, and I am unable to open Razer Synapse, part of Razer Central.

I'm using TWO Razer products -- a NEW Razer Cynosa Chroma keyboard, plus a (legacy) Razer Naga Epic Chroma mouse (connected via USB cable). For the mouse, I also have the older Razer Synapse 2.x installed on my PC too. What can I do to fix this error, and make opening Razer Synapse work again, and not crash this way?

My PC's specs, if you need them - Intel Core i3-4330 CPU (Haswell, 2 cores, 4 threads), 16 GB DDR3 RAM, Crucial 2 TB SSD with plenty of disk space free, 8 TB WD Red HDD, 8 TB Seagate HDD. Besides the Razer mouse & keyboard, the only USB devices connected are -- a USB Bluetooth adapter, 8 GB USB flash drive. My Windows 10 OS is latest Stable version i.e. ver. 20H2.

EDIT (added ~5:20 PM my time): Exact error text is here, pasted into Pastebin:
(*Omitted)
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Razer.Speedcr0ss
Userlevel 7
NakiBest
For a few weeks now - was completely fine before for more than 2 years - everytime I start my Windows 10 PC I get this error of Microsoft .NET framework error, with error text saying cannot connect to 127.0.0.1:5426, and I am unable to open Razer Synapse, part of Razer Central.

I'm using TWO Razer products -- a NEW Razer Cynosa Chroma keyboard, plus a (legacy) Razer Naga Epic Chroma mouse (connected via USB cable). For the mouse, I also have the older Razer Synapse 2.x installed on my PC too. What can I do to fix this error, and make opening Razer Synapse work again, and not crash this way?

My PC's specs, if you need them - Intel Core i3-4330 CPU (Haswell, 2 cores, 4 threads), 16 GB DDR3 RAM, Crucial 2 TB SSD with plenty of disk space free, 8 TB WD Red HDD, 8 TB Seagate HDD. Besides the Razer mouse & keyboard, the only USB devices connected are -- a USB Bluetooth adapter, 8 GB USB flash drive. My Windows 10 OS is latest Stable version i.e. ver. 20H2.

EDIT (added ~5:20 PM my time): Exact error text is here, pasted into Pastebin:
https://pastebin.com/39rKn6Gw


Hey there! Were there any changes made/applied to your system before the issue (e.g., Windows updates, hardware, and VPN settings)? Have you tried updating your Windows .Net Framework? Please isolate the issue by following the steps from this link. Let's see if it helps.
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