Good News! Enable "My Location" in Google Maps on Windows Mobile 6 or WM6 Phone (e.g. T-Mobile Dash, etc). Fix for "your current location is temporarily unavailable" message:

You will need to application unlock your phone! Instructions for doing so can be found at this website:

Excerpt from website:
"... to run unsigned programs you must app unlock your device or add/change the following registry value using PHM Registry Editor for Smartphone or PPC
add HKLM>Security>Policies>Policies
value = 0000101B DWORD = 1

SurrealNetworks App Unlock cab file will enter the above registry edit automatically. Download and run today! Please reboot after installing this cab file."