Laptop suddenly cannot connect to previously functioning network.

Hello everyone.

My laptop will not connect to a network that previously worked without a problem. I can see the network in the list of available connections, but when I try to connect it instantly tells me that it can't connect.

I can connect to the internet via an ethernet cable connected to the same router that's giving me trouble. This is a home connection so I have full control over all settings and devices.

-All other devices still connect just fine.
-I've run the troubleshooter. The only result is a suggestion to reset the router, which I have done.
-I've 'forgotten' the network in the network management list, and later tried adding it again manually.
-I've tried the TCP/IP stack repair command prompts that I found in this post.
-I've tried changing the network to an open network, and then back to WPA2.

Specs from TSG SysInfo:
Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: Intel(R) Core(TM) i3-3110M CPU @ 2.40GHz, Intel64 Family 6 Model 58 Stepping 9
Processor Count: 4
RAM: 3978 Mb
Graphics Card: LogMeIn Mirror Driver, 7 Mb
Hard Drives: C: Total - 703292 MB, Free - 60901 MB;
Motherboard: TOSHIBA, Portable PC
Antivirus: AVG AntiVirus Free Edition 2014, Updated and Enabled

I've attached a screenshot of my device manager. There used to be a Hamachi device there but I removed it.

If you provide the information I need to fix this I will buy you a beer or the equivalent beverage of your choice.

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