Freshly installed mIRC and Invision: Problem

[Katana]

I just reformatted my PC, and installed mIRC. After installing Invision, I ran mIRC to get an error. At first, everything seemed fine and I was just waiting to connect to my network. I went to change some settings, particularily "Theme Manager". When I selected "Theme Manager" I recieved the following error in the server window.

/splay: unable to play 'D:\PROGRA~1\mIRC\invision\themes\sounds\default\dopen.wav' (line 1249, ialias5.mrc)

This error comes up, with a different .wav for all the setting options in Invision 2.0.

I checked the directory and the files are there. Has this been a known error? Is there a way to fix this?

Help greatly apreciated.

[Riamus]

If you read the Installing Invision sticky thread, you will see that you cannot install to a folder/path that has spaces (i.e. You can't install into the Program Files folder).