Deleting The .oasis Folder on a Windows 8 Machine
For Windows 8: Move your cursor to the bottom left corner of the screen and click the Start icon when it appears.
For Windows 8.1: Click the Start button at the bottom left corner.
For Windows 8: Find and click "Computer" in the app tile display.
For Windows 8.1: Find and click "This PC" in the app tile display.
Next, select Local Disk C.
Double click on the Users folder.
Next, click on the name you use to log into Windows. (In this case, ours is Bradley)
You should see a folder called ".oasis". Open that folder.
Within the .oasis folder, there should be a lib folder. You should be able to right click on the folder and have the option to Delete. Please delete the lib folder.
Close that window and relaunch Oasis normally.