Question about Garmin iQue M5 GPS Receiver

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Que! When I turn it on it says: Write access violation at data address OxFFFFFFFF. Ox01FA86CC in background thread NULL (Main InitInstance)What does this mean?

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Posted on Oct 16, 2007

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How to input an address that is in France?

Many Garmin units have a menu item that shows a list of installed maps. The main map is usually located on the GPS's internal memory. Any additional is likely found on the SD card.
When you access the menu / setup and choose maps, you will see both maps. Make sure that you uncheck the map in the main memory (USA perhaps?) and check the map that holds the area you wish to use (Europe?).
When you view the maps on the GPS next time, you should see the maps for the selected area and be prompted for locations that make sense for that area. Simply reverse the steps above to get back to the main internal maps when you return.
I hope this helps!

May 29, 2013 | Garmin Nuvi 350 Car GPS Receiver

3 Answers

Fatal application error

methinks you are in firmware update territory...go to that site, and enter model number, and re download the firmware.

Mar 15, 2008 | Fine Digital FineDrive 400 GPS Receiver

1 Answer

Hi there, First of all I'm completely new to GPS and a friend gave me her Garmin 255W, I've managed to fine a USB cable which charged this unit which is a plus but when I go to checking out different...

You can clear all the user data by holding your finger on the bottom right corner of the screen when turning on the satnav. Once the data is deleted you can set your home location by pressing WHERE TO and then GO HOME. As you won't have a home destination set it will give you 3 options
  1. Enter your address
  2. Use current address
  3. Choose from a list of recently found locations.
If you're at home, choosing option 2 is probably the easiest. You'll need to be outside so the satnav can access satellites. If you're not at home you can use option 1 or 3.

You can find the user manual for this satnav at

Apr 05, 2011 | Garmin nuvi 255W GPS Receiver

1 Answer

How do I adjust screen brightness for night use?

The Power/Light is used to turn your GPS on and off as well as to adjust the background and back light. To adjust the back light press the power/light key to access the light and background menu. Use the 4 way cursor key to select light or background. Then use the left to right cursors to change the settings. Then press exit to exit the light/background menu. This should answer your question.

Mar 09, 2011 | Humminbird 1197c GPS Receiver

1 Answer

The screen on my Magellan Maestro is clouding up. Can this screen be changed, or can the existing addresses be transfered to a newer model.


Yes, your screen can be replaced and the existing addresses can be transferred to another newer model.

To replace the screen, locate the screws and unscrew them apart, then you will have access to the main board of the GPS, then you try to get the board off, and you will have access to the main screen, be very careful in removing, the you replace it with a new one. After replacing with a new one, you reassemble the GPS back together, reversing the process of dismantling it.

Screens can be purchased from any store that deals in parts of appliances.

Screen clouding up can be caused by a bad lamp on the main panel. So if you can replace that, i will suggest you do, because it will be a lot cheaper and easier to fix.

To transfer the addresses to a newer model, connect your GPS to a laptop, and try to use the suite to copy out all addresses, then on installing the new one, copy the saved addresses to the new one using your computer.

As soon as you connect the GPS to the computer, it will see the GPS and you will be able to open its files to view folder, on doing that you will be able to copy out your addresses and necessary information too.

Take care and good luck.

Oct 19, 2010 | Magellan Maestro 3250 GPS

4 Answers

How to change home address

using your touch screen, go to tools> my data> set home location> you can use your current position or you can enter it. then it will be save as a home address

Sep 27, 2009 | Garmin nuvi 265 Car GPS Receiver

2 Answers

How do I delete an address on Garmin Nuvi 660?

Select TOOLS, then MY DATA then DELETE FAVORITES then select the addresses you wish to delete.

Jun 15, 2009 | Garmin Nuvi 660 GPS Receiver

1 Answer

Intellinav.exe application error

The error 0xC0000005 is generated by an illegal "memory access violation". This can be caused by anything from faulty RAM, an incorrect/corrupt device driver, poorly written/updated software and more commonly under Windows XP Service pack 2, malware/adware installations.

Usually you get this error message when performing a specific task, and if that happens you need to check the corresponding 3rd party's website/support department to see if they are aware of the problem

..a while back symantec Antivirus caused the 0xC0000005 error with an additional message about a file called SAVRT.SYS . A simple software update to the Symantec Antivirus cured the problem.
So what can you do...? well below are a couple of suggestions:

0xC0000005 - Resolution Suggestion One:
In many cases this error has been generated by faulty RAM memory. So if you have just upgraded your computer with some new memory and you started getting this error then I would remove them and see if the error goes away. If it does then send the memory back and get a refund!

0xC0000005 - Resolution Suggestion Two:
In Windows XP Service Pack 2 Microsoft introduced Data execution prevention (DEP), a set of hardware and software technologies that perform additional checks on memory to help protect against malicious code exploits. In Windows XP SP2, DEP is enforced by both hardware and software.

Some software/application behaviors are incompatible with DEP - data execution prevention. Applications which perform dynamic code generation
(such as Just-In-Time code generation) and that do not explicitly mark generated code with Execute permission might have compatibility issues with data execution prevention. Applications which are not built with Safe SEH must have their exception handlers located in executable memory regions.

Applications that attempt to violate DEP will receive an exception with status code STATUS_ACCESS_VIOLATION (0xC0000005).

If an application requires executable memory, it must explicitly set this attribute on the appropriate memory by specifying PAGE_EXECUTE, PAGE_EXECUTE_READ, PAGE_EXECUTE_READWRITE or PAGE_EXECUTE_WRITECOPY in the memory protection argument of the Virtual* memory allocation functions.

If you are having issues with 0xC0000005 errors in DEP and a particular piece of software is causing the offense, contact the vendor for a resolution...

Note: It is possible to "Turn Off" DEP in the boot.ini file but this really would be a last step!

This option is only available on 32-bit versions of Windows when running on processors supporting no-execute protection. It enables no-execute protection (also known as Data Execution Protection - DEP), which results in the Memory Manager marking pages containing data as no-execute so that they cannot be executed as code. This can be useful for preventing malicious code from exploiting buffer overflow bugs with unexpected program input in order to execute arbitrary code. No-execute protection is always enabled on 64-bit versions of Windows on processors that support no-execute protection.

There are several options you can specify with this switch:

/NOEXECUTE=OPTIN Enables DEP for core system images and those specified in the DEP configuration dialog.

/NOEXECUTE=OPTOUT Enables DEP for all images except those specified in the DEP configuration dialog.

/NOEXECUTE=ALWAYSON Enables DEP on all images.

/NOEXECUTE=ALWAYSOFF Disables DEP. (This setting doesn't provide any DEP coverage for any part of the system, regardless of hardware DEP support. The processor doesn't run in Physical Address Extension (PAE) mode unless the /PAE option is present in the boot.ini file.)

0xC0000005 - Resolution Suggestion Three:
I have also seen this error in the gaming community when folks have updated drivers for their graphics card. If this happens just roll back your drivers.

0xC0000005 - Resolution Suggestion Four:
Microsoft Internet Explorer 6.0 stops responding when you try to open an HTML document or a Web page. Additionally, you receive the following error message:
Access Violation (0xC0000005 exception)


This problem may occur when you use Internet Explorer 6.0 to open an HTML document or a Web page that contains SPAN tags. If a SPAN tag is not closed correctly by using the </SPAN> tag, an access violation may occur.
WHY are you using IE6 still??? Upgrade to IE 7 today!

...and that should have now resolved the 0xC0000005 error for you!

Please rate this fixya

Aug 30, 2008 | Nextar Q3 GPS Receiver

2 Answers

No data available mess

Did you try to perform a map upgrade to 2008? Turn on the Garmin and from the main menu touch the wrench, then press Map, then look for Map info.

Jul 12, 2008 | Garmin nuvi 200W GPS Receiver

1 Answer

Garmin Mobil XT starts, but does not connect. Window appears: Data type misalignment at Program address 0x03F966C8 in background thread NULL (Main InitIstance)

Worked for me on a Samsung i780 I had that problem once when I was using the Garmin Mobile XT ... googled about it .... some said had to hard reset .... stumbled upon one simple solution ...... sometimes the accumulated SMSes in our Sam i780 can cause that problem ( I still cant figure out the relationship with sms and garmin ...hehe ). Since I started deleting my sms I never had a problem with Garmin not loading up.

Jul 08, 2008 | GPS Devices

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