The TND 500 displays "Fatal Application Error" and will not restart. I have connected it to the internet to get the latest updates from Rand McNally. Still will not start. At bottom of error messgae is the following info: Program: navi.exe Exception: 0xC0000005 Address: 0030DC04

The answer to this question and many others can be found in the FAQ section on our support page at www.randmcnally.com/support. Additionally, for instructional videos on many of the TND & RVND features please visit the Rand McNally You Tube page at www.youtube.com/randmcnallyonline.
To correct the issue please perform a Diagnostics & Repair using the Rand McNally Dock. Step by step instructions can be found at - http://www.randmcnally.com/support/s/diagnose-and-repair
If the Rand McNally Dock does not find an issue with any files, the repair fails, or the Diagnostics & Repair does resolve your issue, please call technical support for additional assistance.

Technical Support is available:
Monday - Friday
7am - 6pm (CST)
1-877-446-4863
[email protected]

https://www.thetruckersreport.com/truckingindustryforum/threads/support-thread-for-the-tnd-500-tnd-700-or-future-rand-mcnally-products-part-two.255563/page-78

go on lione and do the back up anbd reset to factgory setting it should be ok

they do that so you will go by a new one by a cobra end of head aches

Rand is working on this. A new version may be available soon that addresses this issue.

Thanks,
Mark

The download did not go correctly. You have a unit that is
missing or has incomplete files. Contact Rand Support and they will send you an
update card. It will not delete your user data and it will upgrade you to the
current version and with new maps. Be sure to have the serial number off the
back of the TND (bottom right) handy.Thanks Mark, Rand Lead Beta Tester

You have a few corrupted files internally. Contact Rand Support to
obtain a new update SD Card to upgrade you to the new version and maps. The update SD Card will not remove your user
data. Be sure to have your serial number handy,
(back side, bottom right).

The download did not go correctly. You have a unit that is
missing or has incomplete files. Contact Rand Support and they will send you an
update card. It will not delete your user data and it will upgrade you to the
current version and with new maps. Be sure to have the serial number off the
back of the TND (bottom right) handy.Thanks Mark, Rand Lead Beta Tester

Try pressing the reset button on the back or the side of the TND. If it still will not power on contact Rand McNally support. Be sure to have your serial number handy, (back of TND, bottom right)

Thanks,
Mark
Rand Lead Beta Tester