Yes, are you running Beta 4.92?
If so try this (I know it's a pain and takes a looooooooooooong time.
Use the 4.92 installer to un-install.
Reboot
Use the CD that shipped with your tuner. Mine was a v4.7
Re-install that version.
Run the setup wizard.
When you get to the point in the Premium EPG setup where the Key is filled in, copy the key, paste it into a notepad file and save it.
Finish all the setup wizard steps.
Reboot
Start the PMC and see if the EPG is working properly.
If so then shutdown the PMC and run the 4.92 installer.
When the wizard starts, follow all the prompts.
If the EPG guide setup gives you a ALREADY REGISTERED error, click ok.
Open the notepad file you created earlier and copy the KEY , paste it back into the Blank BOX.
Continue on until all is finished.
Reboot.
Start the PMC and verify if the EPG is working.
Hope you have several hours to spare.....I spent a big chunk of this weekend uninstalling and reinstalling... To boot one of the DVD burners in my system started acting up causing frequent BSODs.
Randy