BestSync Q&A

How to uninstall BestSync?

From Windows' Control Panel, start the Add/Remove Program panel. Select the "BestSync 20XX", click the "Modify/Delete" button to start the install program, just follow the steps of the wizard dialog box to uninstall BestSync. The installer will end BestSync program and the service automatically.

How to uninstall BestSync completely?

Sometimes, BestSync Service is not uninstalled completely by the uninstaller. Please following this steps to uninstall the BestSync Service.

1. Open the DOS command prompt, go to (CD) the BestSync install directory. Usually it is [C:\Program File\RiseFly\BestSync 2015 ].

2. Run following command line in the install directory to uninstall the BestSync service.
>BestSyncSvc /uninstall

3. In [Add or Remove Program] tool of the control panel, uninstall BestSync.

If even "Add/Remove Program panel" can not uninstall BestSync, how can I uninstall BestSync?

You can uninstall BestSync forcibly by deleting the following registry keys of the installer by RegEdit.exe. Please be careful when you delete the registry key, it is recommended that you export the key to a file before you delete it, so you can import the key if you find that you delete the wrong key.

Please stop BestSync Application, and stop "BestSync Service" by "Service" Manager (Run "services.msc"). Then  follow the below steps to delete two installer keys of BestSync, after the two keys are deleted, "BestSync" will disappear from the "Add/Remove Program" list of the Control Panel.

Delete the registry key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{6F1D6279-AD7C-44F6-A6C0-C18E7003405B}_is1"

Delete Installer Key2

For BestSync 2015 before, need to delete the following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\BestSync 201X

For BestSync 2013 before, need to delete the following registry keys:

Delete registry keys in "HKEY_CLASSES_ROOT\Installer\Products"

Delete Installer Key1

Delete registry keys in "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products"

Delete Installer Key2


How do I install BestSync?

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