import os

try:
    import winreg
except ImportError:
    import _winreg as winreg

paths = [r'SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts',
         r'SOFTWARE\Microsoft\Windows\CurrentVersion\Fonts']

for path in paths:
    try:
        key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, path)
    except OSError:
        print('Cannot open: %s' % os.path.join('HKLM', path))
        continue
    print('Checking: %s' % os.path.join('HKLM', path))
    with key:
        n = 0
        while True:
            try:
                value, data, dtype = winreg.EnumValue(key, n)
                if u'\0' in data:
                    print('(%r, %d), %s' % (data, dtype, value))
            except OSError:
                break
            n += 1
print('done')