Download latest Expression Encoder (Currently 4 SP2 [4.0.4276.0] at this time) and extract using winrar or 7zip. Install using encoder_en.msi
To remove Nag screens, add the following keys. This will ensure the current users keys are added for each new user logged in.
[HKEY_CURRENT_USER\Software\Microsoft\Expression\Encoder\4.0] "QMPrompt"="False" "QMEnable"="False"
For general user deployment, I also cleanup the shortcut link to the SDK folder in MST or using a batch.
del /F "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Microsoft Expression\Microsoft Expression Encoder 4 SDK.lnk"
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