We're all amateurs here!
From what I can see, neither the Orcad or the jointmediacodec are considered malware, so their removal should be fairly easy (although this may not rid you of them entirely)
For OrCad, search your hard drive for instances of the term "orcad" and "cadence" - check each one before deleting them (and back them up if you're not sure). Then backup your registry. Then search the registry for the same terms - check each one before deleting them also (backup the individual keys if necessary). FYI - the Add/Remove Programs entry in the registry is usually stored at: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall (from this link: http://www.akadia.com/services/remove_invalid_entries.html
Then, just navigate back to the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall key and remove the entry for the jointmediacodec (back it up first).
The backups are "just in case" things that will help out if something untoward and unexpected happens - after a bit of testing you can delete the backups to the Recycle Bin. Leave them there (once again, just in case) so that they'll be removed normally as the Recycle Bin fills (this'll give you a bit more "insurance" against unforseen consequences of the removal.
Take these steps carefully, and test things as much as possible. This should include several reboots and a test of your ability to restore parts of the registry from your backups. It's not rocket science, but it's so durned complicated that it's best to be sure before proceeding with anything that may cause problems..
My browser caused a flood of traffic, sio my IP address was banned. Hope to fix it soon. Will get back to posting as soon as Im able. - John
(my website: http://www.carrona.org/
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