HELP!!

I don't why but in this desktop computer I can't launch Spiral Knights

Here's the story
When I clicked the Spiral Knight icon in the desktop, for a few seconds, my screen flashes black the and then a windows pop up window saying,
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We were unable to initialize the game's graphical display. Please take the following steps to ensure compatibility:
*Visit the technical support forum for up-to-date information and suggestions.
*Make sure your system satisfies the game's minimum requirements.
*Update your video drivers.
* Ensure that hardware video acceleration is fully enabled.)
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I am sure I have done that all

I have read the technical support and I am sure I have understood these...
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5. Are you getting a black screen/a malfunctioning full-screen/bad resolution?

You will need to try and set Spiral Knights to its minimum display settings:

Close Spiral Knights (if it's running).
Click on the 'Start' menu and then click on 'Run'.
Type in "regedit" and hit 'OK': this will bring up the Registry Editor. Warning: Please do not change anything else in the registry since it could cause severe problems.
Browse through the registry tree and expand to 'HKEY_CURRENT_USER\Software\JavaSoft\Prefs\projectx'
Double-click each of the below registry keys (if present) and type in the corresponding value:
display_mode = 1024, 600, 32, 60
fullscreen = false
render_quality = /L/O/W
vsync_enabled = false
Close the Registry Editor and start Spiral Knights.
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But I still can't launch it

My Specs:

*Processor - AMD Athlon(tm) 64 X2 Dual Core Processor 4000+
*L2 cache - 512kb
*L1 cache - 128kb
*Memory - 1,024 MB(61% used)
*Motherboard - AMD A690G-M2
*Video Card - Radeon X1550 Series
*Mode - 1336x768 with 32 bit color depth
*DirectX11
*OS - Windows 7 Ultimate (32 bit)

I saw alot problems like this but why can't it be fixed?

In addition to my problem, I also can't play 3D Browser games...

Please help me...
Make a video about it if may...
That would be greatly appreciated

Thank you