Windows 10: BSOD while downloading large files/testing Wi-Fi speed

So as the title suggests...I have issues downloading GTA 5 since my PC always gives me a BSOD 2 minutes into downloading or when using speedtest on Google Chrome...

The bluescreen says:

SYSTEM_THREAD_EXCEPTION_NOT_HANDLED

and the cause of the error is the file : "fwuac430mu.sys" (which is the driver of my network card/Wi-Fi stick)

I tried re-installing but that didnt help and whenever I get the BSOD it's stuck at 0% and doesnt do anything from there on...

Any advices?

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:)

 

Wi-Fi losing connection on large downloads

I have a laptop here which loses it's Wi-Fi connection during long downloads. Pinging for hours on end is no problem, but as soon as I try to download something large Windows claims that I have no internet access and it can't reach the gateway anymore.

The adapter is configured via DHCP and the lease is correct and remains through the connection loss. Replacing the Wi-Fi adapter, the motherboard or the inbuilt antennas does nothing, as does using a fresh Windows install on a test HDD.

I am quite at a loss here. Do you guys have any idea what other cause this could have?

 

Reported Wi-Fi speed wrong

I have an FTTC Internet connection connected to a Plusnet Router 2704N. This bottlenecks my LAN and WLAN speeds to 100 Mbps and my WAN speed to 80/20.

When my PC is connected via LAN / Ethernet:

1. Windows reports that I have a 100 Mbps connection.
   
   
   
   
2. Speedtest.net reports download speed of ~60 Mbps and upload speed of ~15 Mbps upload.
   
   
   
   

However, when my PC is connected via WLAN / Wi-Fi:

1. Windows reports that I have a 130 Mbps connection.
   
   
   
   
   
   
   
2. Copying a single large file from the LAN via the WLAN to my PC transfers at ~2.2 MBps (~16 Mbps).
   
   
   
   
3. Speedtest.net reports download and upload speeds of ~13 Mbps.
   
   
   
   

So, why is Windows reporting the network connection speed correctly for LAN / Ethernet but incorrectly for WLAN / Wi-Fi? Or am I looking in the wrong place?

 

Trouble Changing Wi-Fi Password


I've been following the following steps to change my Wi-Fi password for some time:

1. Launch Control Panel.
2. Click "Network and Internet."
3. Click "Network and Sharing Center."
4. Click "Wi-Fi...."
5. Click "Wireless Properties."
6. Click the Security tab.
7. Check "Show characters."
8. Enter the password in "Network security key."

Those steps have been working just fine, but today I discovered a new wrinkle. If I change the password inside the router first, "Wi-Fi..." doesn't appear in step 4. This isn't much of a problem at home, because I can just change the password in Control Panel before I change it inside the router, but it would be a problem at a public hotspot, or something of that nature. I also tested Brink's instructions in "How to Connect To a Wireless Network in Windows 10," but they don't work for me either. How can I fix this?