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 Reference: Windows Error 14007

Windows Error 14007 : ERROR_SXS_KEY_NOT_FOUND: The requested lookup key was not found in any active activation context.

FileMaker Error Codes

Lasso Error Codes

MySQL Error Codes

Windows System Errors

About this database
This is a free public resource. It is unmoderated and operates on the "public virtue" system. I hope you find it useful!

User Contributed Notes

2007-03-27 13:42:25

i have this problem at the moment, and i have surfed the web all day and compiled a list of fixes here. i am not tech savvy, but im gonna put them on here because this whole process has been entirely too frustrating for me. hope one works:
***A quick emergency workaround I have discovered is to register the sought url the ie homepage(options/preferences whatever, I forget, I am in firefox now at another computer), then restart ie. ****

******am getting a errror in Internet Explorer 7 (Windows XP Prof).When i try to access any site it say a error
"The requested lookup key was not found in any active activation context"
I try the following troubleshotting tips still the same issue continue.
1. Try to reinsall IE7 & after reinstall reboot the system.
2. Try to uninstall IE7 and try to work with IE6 even with IE6 same problem
3.Also change the registrey value in the follwing key.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{89820200-ECBD-11cf-8B85-00AA005B4383}

Even after these troubleshooting steps same problem continue
Please help me to fix this issue.

******You have a few options.
1] Uninstall IE7 and use IE6
2] Uninstall and Use Firefox (Much better than IE6 and IE7)
3] Uninstall it via Add/Remove Programs, click Show Updates and select
Windows Internet Explorer 7.0. When you reinstall it, make sure you reboot
immediately after you install. Rebooting is the key (excuse the pun) to
solving this issue most of the time.
Another way to uninstall IE7 - :

Click Start, click Run, type %windir%\ie7\spuninst\spuninst.exe,

While IE7 works most of the time, it is not really a good upgrade, the
window is messy, the tabs are clunky and basically it's just IE6 with Tabs.
IE7 was created because Firefox is kicking IE's a$$ and is genuinely great
little browser, not because there was a genuine desire to give people a
better browser... I have not seen anything to make me want to use IE7, and
the only reason I have it on my system is so I know how to find my way
around when fixing the glitches in IE7.
Most people want IE7 because it's the latest NOT because it the best, people
are just curious, when I show people Firefox after satisfying their IE7
curiosity, their eyes light up; literally, and it becomes fun to browse.
I admit am a bit of a Firefox evangelist but that's because it's so good, so
configurable and so much fun to use.
Best regards Lee

Bookmark of useful links to Online scanners and Malware cleaners

****Uninstall it via Add/Remove Programs, click Show Updates and select Windows Internet Explorer 7.0. When you reinstall it, make sure you reboot immediately after you install.
After all the years of excellent Microsoft products, I'm disappointed with Microsoft for releasing IE7 with basic install bugs. It must have caused non-technical users a great deal of headaches and I hope Microsoft gets their act together.
I hope that helps,

******I have the solution:

1. unhide files and folders
2. unhide windows operational system files
3. open windows file
4 find IE7 folder (is was hidde)
5. double click it
6 unistall explorer 7
Problem solved!!!!!
Your default explorer wil be 6, after that you can upgrade it to 7 again

Work-around for "The requested lookup key was not found in any active activation context" exception when using Process.Start() to spawn a browser with a URL.

It's appears there is sometimes some threading issues when using Process.Start() to spawn a browser by starting a URL. It's not too clear what the issues are; but the following works around the problem (C#):

Process process = new Process();
process.StartInfo.FileName = "rundll32.exe";
process.StartInfo.Arguments = "url.dll,FileProtocolHandler " + url;
process.StartInfo.UseShellExec... = true;
- **TO UNINSTALL** Method 2: Run the Spuninst.exe program that is in the IE7 folder
If you cannot uninstall Internet Explorer 7 by using Method 1, use the uninstaller file that is available in the IE7 folder to uninstall Internet Explorer 7. To do this, follow these steps:
1. Click Start, click Run, type %windir%\ie7\spuninst\spuninst.exe, and then click OK.Note In this command, %windir% points to the Drive:\Windows folder. The placeholder Drive represents the hard disk partition that contains the Windows operating system files. By default, the IE7 folder is a hidden folder. Therefore, you may have to make this folder visible. To do this, follow these steps:
1. Open Windows Explorer.
2. On the Tools menu, click Folder Options.
3. Click the View tab.
4. In the Advanced settings list, under Hidden files and folders, click Show hidden files and folders, and then click OK.
2. Follow the wizard instructions to uninstall Internet Explorer 7.
3. After you uninstall Internet Explorer 7, double-click the Internet Explorer icon to verify that Internet Explorer 6 is restored.”

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