It takes no time. Take out the sd card, format it and copy the program and maps again.
I searched a lot but did not get a working copy of Sygic for WinCE, most of the URLs lead to download sites laden with viruses and spyware. I even asked Sygic to sell me a copy, they refused.
I had almost run Sygic but it demanded activation code. This navi works fine for me and I also have dedicated Sygic GPS portable unit sold by TPL