I apologize in advanced if this isn't the right forum, but I wasn't sure where else to put it.

Last night I was going to edit Oscuro's Oblivion Overhaul Complete 1.33 as part of my FCOM pack and the power went out, shutting off my pc. I turned it back on earlier today and the game crashes whenever I try to load it up. It doesn't even get to the opening part with Bethesda Softworks. Whenever I try to change anything about Oscuro's Oblivion Overhaul Complete it gives me the error message:

An unhandled exception occurred. Extra information should have been saved to 'obmm_crashdump.txt' in oblivion's base directory.

And the crash dump reads as this:
Friday, February 19, 2010 - 4:07:56 PM
1.1.12 (Safe mode)
OS version: Microsoft Windows NT 6.0.6001 Service Pack 1

Type: ICSharpCode.SharpZipLib.Zip.ZipException
Error message: Cannot find central directory
Stack trace: at ICSharpCode.SharpZipLib.Zip.ZipFile.ReadEntries()
at ICSharpCode.SharpZipLib.Zip.ZipFile..ctor(String name)
at OblivionModManager.omod.get_ModFile()
at OblivionModManager.omod.DoesReadmeExist()
at OblivionModManager.MainForm.lvModList_SelectedIndexChanged(Object sender, EventArgs e)
at System.Windows.Forms.ListView.OnSelectedIndexChanged(EventArgs e)
at System.Windows.Forms.ListView.WmReflectNotify(Message& m)
at System.Windows.Forms.ListView.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

I'm not sure what I should do to get this working again. Worst case scenario I would have to delete and reinstall all of FCOM? I also use OBSE, if that's any help.

Help is very much appreciated!

From the message it looks like a zip(ie an omod) is corrupted.
Just remove the omods from your OBMM Mods directory and it should run.