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Stellarium and Windows 7 64 bit

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Hello all,

I've just got a new laptop using Windows 7 64 bit OS. I now understand that Stellarium is incompatible with the 64 bit system. I wondered if anyone has got around this problem? BTW i use computers a lot, as long as they work, but i'm no computer whizz, is there an easy fix for this problem, or is it just the sky atlas for me from now on...

Thanks for any help.:)


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Works great on my pc too. Will be getting my 64bit lappy back soon and will putting it on that will letyou know how it goes.

On a side note most 32bit apps work just fine in 64bit when installing you may need to right click the setup file and run as administrator though.


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Thanks folks,

you're making me nervous now....Do you guys know what version you have. I have already loaded it and it appears to have installed successfully, but when i try to open it....nothing. Out IT guy at work suggested this is the problem, maybe not though.

Thanks again


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I had to tweak the start-up to get it to run properly on Win7 64bit. (It doesn't cope well with the fancy window system.)

So, right click on the shortcut -> properties -> compatibility

then check "Disable desktop composition"

OK that, and it should run fine.

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Bart works fine on my Windows 7 Ultimate with SP1

Stellarium version: Stellarium

Sure its not a graphics issue. I have another pc with XP yet it will not run on there due to useless onboard graphics.

You could always try running in XP compatibility mode. Goto the EXE file right click and go to properties. Click the compatibility tab and apply XP compatible mode.

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In the programs menu from the start button, there should be an option in the Stellarium folder for Stellarium (No OpenGL2). Try using that to start up.

If this works, the problem is with the graphics driver. Check Windows Update for a newer version.

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Ok got my Lappy (Win7 Ultimate x64) back and Installed Stellarium last night with no issues. I have UA|C| turned right down on this machine so it should be the same as right clicking the setup exe and selecting run as administrator.

Stellarium runs fine no problems.

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  • 9 months later...

I am new on this forum.

I normally write on Cloudy Nights with the same psuedo.

I found that Stellairum showed daytime when it was night running on:

a desktop with an Intel i7 2600k 3.4 GHz with 16 GBytes of DDR3 RAM

& 1.5 TByte SATA HDD with Windows 7 Ultimate 64 bit version.

Solution for Stellarium 0.11.1

I have made a work around for the problem.

Windows compatibility mode didn't work -


Open the Program Compatibility troubleshooter

The work-around:

All I did was create a new Location called "Fake Position"

which was by done by changing longtitude East to West & saved it.

The program now opens with the correct placement & season of the year.

This was because the South position wasn't affected &

perhaps the Troubleshooter fixed that problem & not the other.

Older versions of Stellarium would not run at all.

I am troubled that other people have had no problems at all.

What have I got that's different?

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Thanks guys - I'm still wondering why I had trouble then?

Stellarium seems to be working better still now.

I actually made a new location that is +71 degrees East in Longtitude from my

present location & checked it against my old computer.

The sun now rises at the same time exactly on both computers.

Maybe others will have this problem and that will help them?

Edited by alpal
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