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- Download and install the repair tool here.
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The Windows Mobile device cannot connect to the Windows Mobile Device Center with error code 0X80072745.
In the Device Manager, “HP USB Sync” appears to work correctly under mobile devices, but the entry “Portable Devices”, “Windows Mobile Device” appears with a yellow exclamation mark. The Install Hardware dialog box indicates that the installation has failed.
The Windows Mobile Device Center displays “Connect” for a longer period of time, then abandons and displays a white cross in a red circle with “Error” next to it.
There are dozens and dozens of messages on this subject all over the Internet, and no one seems to have a solution that really works. Here are the solutions we suggest you do first.
Changing Device Manager Settings
The solution to this error can be found in the Device Manager. It’s a driver problem for some reason. In the Device Manager, a yellow warning sign appears on the Windows Mobile device when you connect your USB key to the Vista laptop. Basically, you simply right-clicked on the device and uninstalled it. Then unplug the USB plug from my rw6828 and plug it back in. Then, the device is recognized correctly, the driver is installed and the yellow sign disappears.
New WMDC 6.1 installation
Make sure your Windows Mobile device is disconnected in the next four steps.
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- Step 1 : Download PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista – Microsoft Gold Certified).
- Step 2 : Click “Start Scan” to find Windows registry issues that could be causing PC problems.
- Step 3 : Click “Repair All” to fix all issues.
Uninstall your old Windows Mobile Device Center/Windows Mobile Device Center Driver Update installations.
Restart.
Reinstall WMDC 6.1 (http://www.microsoft.com/downloads/details.aspx?FamilyID=46f72df1-e46a-4a5f-a791-09f07aaaaaaaaa1914&displaylang=en).
Wait until all device driver installation dialog boxes disappear (which can continue/will continue after WMDC 6.1 installation).
Connect your Windows Mobile device and wait until all dialog boxes for installing the device driver or pop-up bubble signals have been completed. WMDC should now allow you to build a new partnership.
Check your security software
Firewalls and antivirus software can prevent you from synchronizing your emails and calendar. Although we do not recommend permanently disabling the security software, by temporarily disabling it, you can determine if it prevents you from synchronizing your emails or calendar events.
Third-party firewalls or antivirus software may prevent you from synchronizing your emails and calendar events. Although we do not recommend permanently disabling the security software, by temporarily disabling it, you can determine if it prevents you from synchronizing your emails or calendar events. Refer to the software documentation for instructions on how to temporarily disable the software.
Restart the mobile device
To restart, press and hold the Power button until a Slide down to power off message appears on the screen, then move down. (It usually takes about three seconds for the message to be displayed.) To turn your phone back on, press the On/Off button.
If this does not work, hold down the Volume and Power buttons simultaneously until you feel a vibration (about 10 to 15 seconds), then release them. Your phone restarts automatically.
If your phone has a replaceable battery (often located under the back of your phone), you can also restart your phone by removing and reinstalling the battery, and then pressing the On/Off button to turn on your phone.
https://support.office.com/en-us/article/resolve-sync-issues-in-mail-and-calendar-apps-in-windows-10-0dd86c69-18f3-4f73-9d3d-375bdc9c3e34
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