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If it still doesn't work, please try deleting your Mount & Blade registry entries: Verifying the GCF Cache solves most CD Key issues for most users. If you are running in Windows XP, take the following steps:Ģ) Go to the "Start" menu, select "Run", type "regedit" and click "OK".ģ) Navigate to the following registry key: HKEY_CURRENT_USER\\SOFTWARE\\VALVEĥ) Check the boxes for "Admin" and "System" to "Full control" and "Read".įirst, verify the GCF Cache for the game: If you are running in Windows Vista, Windows 7, or Windows 8, please completely exit Steam, and right-click on the shortcut which you use to launch Steam and select "Run as Administrator."
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I am finally able to play multiplayer in a server! Here is what Steam finally messaged me on how to fix it:
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