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Recent Support Entries - Troubleshooting
Getting rid of 'Installation security error'
Q. Having bought a new Nokia smartphone, I'm having problems installing most of the programs I've downloaded. The error message is 'Installation security error, unable to install'. I spoke to Nokia and they say there is no security feature to prevent software installation.Why does TomTom MOBILE 5 not start?
Q. I've installed TomTom MOBILE 5 on my Nokia smartphone and the icon's there in the applications screen, but when I activate it the screen just goes white as if it was starting OK and then the icon reappears. Any ideas?How can I get my Sendo X reliably connected to my PC?
Q. I've acquired a second hand Sendo X and have been generally impressed so far by this Symbian-based smartphone. But I can't seem to get it properly connected to my PC. I've upgraded the PC Connect suite to the latest version, and yet after a few seconds of being connected it disconnects and I'm not able to browse its files or synchronise. Any ideas?Should I be worried about viruses for my Symbian smartphone?
Q. I've read a lot in the press about a Cabir virus outbreak for Symbian smartphones. Should I be worried, and what can I do to protect myself?How do I backup my phone to the memory card (MMC/RS-MMC/miniSD)?
Q. When getting my firmware upgraded, or when resetting a device using restore to factory settings codes, it is useful to be able to back up the internal memory of my device. How can I do this?Search Support
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Notes
Note: Some of the Q&A in this Support section were written by Steve Litchfield in his PDA Essentials magazine column from 2000 to 2005 and are republished here with permission. In many cases, the text has been revised and updated over that which appeared in the published magazine. In some cases, questions have been reworked from more specific queries on Internet forums, thanks to all who contribute to these. All text is copyrighted to Steve Litchfield, All About Symbian, PDA Essentials and other relevant contributors and commenters.

