HELP! Newly calibrated monitor loses ICC profile setting while computer is on, in middle of editing!

I'm so frustrated!!! Just a few days ago I calibrated my monitor with my new Huey Pro. Today in the middle of the computer being on for hours, at some point, without my knowing it, the ICC profile shifted from the new, calibrated setting BACK to the old default profile!!   I didn't realize it and went about editing ... messed up so many files!
I'm using Windows Vista x64 and I've read about this happening to other Vista users, but does anyone know how I can FIX this?? I'm totally overwhelmed at this point.   Thanks for you help.

Ans to Q1 - Macintosh HD 1/Library/Printers/EPSON/InkjetPrinter/ICCProfiles/ contains installed with driver and Macintosh HD 1/Library/Colorsync/Profiles were installed by the download.
Ans to Q2 - Epson put them inside the "package" to keep them safe. You can access the package contents via the Ctrl+click or right+click context menu item labelled "Show package contents" (see attached screenshot), but I would
strongly urge you not to remove them from the package. You really don't need to care where they are because they're in the safest place. It's when folk try to get smart that the system bites them.

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            ICC_Profile sourceProfile = ICC_Profile.getInstance("AdobeRGB1998.icc");
            ICC_ColorSpace sourceCS = new ICC_ColorSpace(sourceProfile);
            ColorModel sourceCM = RasterFactory.createComponentColorModel(
                    pi.getSampleModel().getDataType(), sourceCS, false, false,Transparency.OPAQUE);
            ImageLayout sourceIL = new ImageLayout();
            sourceIL.setColorModel(sourceCM);
            // tag the image with the source profile using format
            RenderingHints sourceHints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, sourceIL);
            ParameterBlockJAI ipb = new ParameterBlockJAI("format");
            ipb.addSource(pi);
            ipb.setParameter("datatype", pi.getSampleModel().getDataType());
            pi = JAI.create("format", ipb, sourceHints);
            // create a destination color model from the monitor ICC profile
            ICC_Profile destinationProfile = ICC_Profile.getInstance("Monitor Profile.icm");
            ICC_ColorSpace destinationCS = new ICC_ColorSpace(destinationProfile);
            ColorModel destinationCM = RasterFactory.createComponentColorModel(
                    pi.getSampleModel().getDataType(), destinationCS, false, false, Transparency.OPAQUE);
            ImageLayout destinationIL = new ImageLayout();
            destinationIL.setColorModel(destinationCM);
            // convert from source to destination profile
            RenderingHints destinationHints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, destinationIL);
            ParameterBlockJAI cpb = new ParameterBlockJAI("colorconvert");
            cpb.addSource(pi);
            cpb.setParameter("colormodel", destinationCM);
            pi = JAI.create("colorconvert", cpb, destinationHints);
            // image is now the calibrated monitor RGB data ready to display, but
            // an unwanted conversion to sRGB will occur without the following...
            // first, create an sRGB color model
            ColorSpace sRGB = ColorSpace.getInstance(ColorSpace.CS_sRGB);
            ColorModel sRGBcm = RasterFactory.createComponentColorModel(
                    pi.getSampleModel().getDataType(), sRGB, false, false, Transparency.OPAQUE);
            ImageLayout sRGBil = new ImageLayout();
            sRGBil.setColorModel(sRGBcm);
            // then avoid the incorrect conversion to sRGB on the way to the display
            // by using format to tag the image as sRGB without changing the data
            RenderingHints sRGBhints = new RenderingHints(JAI.KEY_IMAGE_LAYOUT, sRGBil);
            ParameterBlockJAI sRGBpb = new ParameterBlockJAI("format");
            sRGBpb.addSource(pi);
            sRGBpb.setParameter("datatype", pi.getSampleModel().getDataType());
            pi = JAI.create("format", sRGBpb, sRGBhints); // replace color model with sRGB
            // RGB numbers are unaffected and can now be sent without conversion to the display
            // disguised as sRGB data. The platform monitor calibration profile is bypassed
            // by the JRE because sRGB is the default graphics configuration color model profile
            JFrame frame = new JFrame();
            Container contentPane = frame.getContentPane();
            contentPane.setLayout(new BorderLayout());
            DisplayJAI d = new DisplayJAI(pi); // Graphics2D could be used here
            contentPane.add(new JScrollPane(d),BorderLayout.CENTER);
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            frame.setSize(600,600);
            frame.setVisible(true);
    }

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