Cortex command crashes every time I to do 'Test scene' in Game Editor.
I currently have CC 25 (From the Humble Indie Bundle).
I tried:
-Installing CC to My Documents;
-Installing CC to my other disc D;
-Installing CC to Desktop;
-Unplugging ALL of my USB devices (im on a laptop);
-Remowing the read-only thingy from properties (however when i click properties again it still shows it marked as 'read-only');

My PC:
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System Information
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Operating System: Windows 7 Ultimate 64-bit (6.1, Build 7601) Service Pack 1
System Model: Inspiron N5010
Processor: Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz (4 CPUs), ~2.7GHz
Memory: 4096MB RAM
Available OS Memory: 3958MB RAM
Page File: 2561MB used, 5354MB available
DirectX Version: DirectX 11

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Display Devices
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Card name: ATI Mobility Radeon HD 5650
Manufacturer: ATI Technologies Inc.
Chip type: ATI display adapter (0x68C1)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_68C1&SUBSYS_04471028&REV_00
Display Memory: 2737 MB
Dedicated Memory: 1014 MB
Shared Memory: 1723 MB
Current Mode: 1366 x 768 (32 bit) (60Hz)
Monitor Name: Generic PnP Monitor
Monitor Model: unknown
Monitor Id: LGD02CF
Native Mode: 1366 x 768(p) (59.973Hz)

P.S. Also tried to run the game on an older laptop with integrated graphics card and Win7 32-bit and I still get this error.

B25 seemed to have broken the editors, Actor Viewer and the Scene Editor seem to be the only ones that dont work.

Gibbing Editor works and I haven't tried the other one.

Oh thank god, it wasn't just my game messing up... so what now? Any quickfixes for this?

Use an older Build of CC.

Where should all the builds happen to be listed?

You can download B23 from the main site, simply follow the regular download links. As a registration key use the free key scancode listed in the "News From Licensing" thread.