Just SharePoint

Post Windows SharePoint Services Service Pack3 installation, you may 

Encounter error messages:

Exception from HRESULT: 0x80040E14.
Troubleshoot issues with Windows SharePoint Services.

HTTP 500 – Internal server error

Unable to perform the following operations:

Edit columns on a list

Import a spreadsheet

Add choices to a choice field

To resolve this, run the following command for

Windows SharePoint Services 2.0

1.Click Start, click Run, type cmd in the Open box, and then click OK.

2.At the command prompt, type the following lines, and then press ENTER after each line:

cd /d %commonprogramfiles%\Microsoft Shared\Web Server Extensions\60\Bin
stsadm -o upgrade -forceupgrade

3.Type exit to exit Command Prompt.

Windows SharePoint Services 3.0

1.Click Start, click Run, type cmd in the Open box, and then click OK.

2.At the command prompt, type the following lines, and then press ENTER after each line:

cd /d %commonprogramfiles%\Microsoft Shared\web server extensions\12\BIN
stsadm -o upgrade -forceupgrade

3.Type exit to exit Command Prompt.

Sourced from Microsoft KB 841216

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