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Windows 7: Aero theme disappeared!


20 Jan 2010   #1

Windows 7
 
 
Aero theme disappeared!

Hello,
I just recently got a new HP ENVY 15 running Windows 7. Up until yesterday everything was running fine. I believe I compiled a LaTeX document, and a package was missing, so I launched the package manager, and suddenly a message appeared that said that the aero color scheme had been disabled. Since then, I have been unable to reenable the aero glass effect or any of the other fancy features. I doubt LaTeX is what caused the problem, but that's the last thing I was doing at the time.

Since then, I've tried EVERYTHING to try to fix this, and nothing has worked! I've restarted my computer several times. I've closed all programs and disabled all unnecessary processes and tried to reenable aero and that didn't work.

I believe the issue is that for some reason Desktop Composition is disabled, so the Desktop Window Manager isn't working. I tried editing the Composition and CompositionPolicy in the registry - they immediately switch back! I tried doing net stop uxsms followed by net start uxsms, and that didn't work either. I tried updating my drivers but they are already up to date. I tried rerunning the Windows Experience Index which did not do anything.

The event viewer shows some suspicious messages. At about the time where the issue started, an event is listed:

A request to disable the Desktop Window Manager was made by process (Skype)

However, I've tried ending Skype with no results, and also, I had been using Skype for the last few days with no problems. Following that message are numerous of these:

The Desktop Window Manager has exited with code (0x40010004)
The Desktop Window Manager was unable to start because the desktop composition setting is disabled
The Desktop Window Manager has exited with code (0xc00002fe)
The Desktop Window Manager was unable to start because the desktop composition setting is disabled
The Desktop Window Manager has exited with code (0x80070224)

etc.

I've also tried going to control panel > system and security > find and fix problems > appearance and personalization > display aero desktop effects, and running the troubleshooter, but it said that the problem couldn't be detected.

Does anyone have any idea what could be wrong? I've tried every suggestion I can find on the web and nothing has worked.

My System SpecsSystem Spec
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20 Jan 2010   #2

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Have you gone into Services and tried to enable and start the Desktop Window Manager Session Manager there?

EDIT: I have no idea of why Skype disabled it, because I did have Skype until recently, and it never disabled that for me.
My System SpecsSystem Spec
20 Jan 2010   #3

Windows 7
 
 

Yep, I tried that... no results though...
My System SpecsSystem Spec
.


20 Jan 2010   #4

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

If it were me, I would uninstall Skype and then try restarting the service from services again.
My System SpecsSystem Spec
20 Jan 2010   #5

Windows 7
 
 

I will try that, though I don't think Skype is the issue. One thing I notice is that if I go to computer > properties > advanced system properties > performance > settings, and I select "custom" and check "Enable Desktop Composition", and then I hit click Okay, when I go back into the settings, "Enable Desktop Composition" is unchecked, as if something is either blocking it, or immediately disabling it! Is there any way to tell what is causing this interference? The event viewer doesn't seem to say.
My System SpecsSystem Spec
20 Jan 2010   #6

Windows 7 Ultimate Signature Edition
 
 

if all else fails use your installation disc to restore system files.
My System SpecsSystem Spec
20 Jan 2010   #7

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

I don't know of any set procedure to diagnose a problem like this, it would just be a matter of trial and error. If it gets to the point that you get tired of it, then valtonray's advise about a system restore may be the best path to take (assuming that you have a restore point available that correlates to a time just prior to the onset of the problem).
My System SpecsSystem Spec
20 Jan 2010   #8

Windows 7
 
 

The ENVY 15 doesn't have a CD drive >.<
I'm going to buy an external one soon though, but I'd like to find a fix for this anyway.
My System SpecsSystem Spec
20 Jan 2010   #9

Windows 7
 
 

Here are my currently running processes. Anything in this list look suspicious? (I realize there is a Skype thing there - I disabled it, but it didn't have any effect.)


Attached Thumbnails
Aero theme disappeared!-processes.png  
My System SpecsSystem Spec
20 Jan 2010   #10

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

It's not that a particular program or process would look more suspicious than another, but scanning down the list, the question rises whether you really need all of those processes on a regular basis? I have no way to know what you do need, so I can make any particular recommendations, except that I doubt that you need 2 x taskengs running, and probably not even one. realsched is something that I would get rid of, along with the Google Crash Handler, the Corel and iTunes helper. I also doubt that you need all of those HP processes along with some others that I don't recognize. The only process that should appear in the Task Manager are those that are system critical or belong to programs that you are currently using.

EDIT: I forgot another that need to go to file 13...justsched.
My System SpecsSystem Spec
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 Aero theme disappeared!




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