HTC Touch 2 – “BTTrayCE is not a valid application”

After I installed TomTom 7 when the device start show the following error message:

BTTrayCE is not a valid application


Enable the “Show All Files” option.
Rename the BtCoreIf file with BtCoreIf_old in the Windows folder.
Make a SoftReset.

NOTE: in my case I was unable to use share internet connection function. After my solution it returned to work.

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HOW TO change Lock Screen (Sleep mode) settings on HTC Touch 2

  1. Tap Start > Settings > System > Power.
  2. Tap the Advanced tab.
  3. To change the time before the phone goes into Sleep mode, select a time from the Turn off device if not used for lists.
    (To turn off automatic Sleep mode altogether, clear the Turn off device if not used for check boxes.)

Council not to disable this feature, but simply to increase the interval for bringing it to 3-5 min on battery power only.

Finally, from the same screen you can increase the range of the backlight, the voice  where it says “Turn off backlight if device is not used for”.
The default setting is 30 s. If the user prefers is also possible to increase this range, always for the “On battery power”, however, do not recommend to put values ​​above 1 min since this approach affects the duration of the charge of the battery.

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HOW TO make Hard Reset on HTC Touch 2

With the phone turned OFF

Hold the CENTER of VOLUME button, then press the END/POWER button and release it.
Remove the back cover and the stylus to reveal the RESET button (it’s located at the bottom of the stylus compartment).
Hold the CENTER of VOLUME button, then use the stylus tip to press the RESET button.

Then follow instructions on the display

With the phone turned ON

Tap Start -> Settings -> System -> Clear Storage
Enter “1234” and then tap Yes.

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After download of a CAB file from Internet Explorer the installation fails on HTC Touch 2

When download a .cab file from Internet Explorer it renames the file from .cab to .tsk (The TSK file type is primarily associated with ‘Skins (Themes) for Pocket PC PDAs’, these generally are Microsoft .CAB files). Failing to install and open Today screen themes.

It’s a bug of HTC Touch 2 device.


When you start downloading the file in the request form where you can select the Open file after download checkbox tap Menu > Save as… change Type from tsk to all files then add .cab extension to the filename then click Save button.

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