Please note that we have an update about Synergy 2 on our blog. 

Windows

1. Uninstall Synergy using “Add or remove programs” (or Apps & features).
2. Run regedit and delete these registry keys (if they exist):

• HKEY_CURRENT_USER\Software\Symless
• HKEY_CURRENT_USER\Software\Synergy
• HKEY_LOCAL_MACHINE\SOFTWARE\Synergy

3. Delete these directories (if they exist):

• C:\ProgramData\Symless
• C:\ProgramData\Synergy v2
• %USERPROFILE%\AppData\Local\Synergy
• %USERPROFILE%\AppData\Local\Symless

4. Reboot Windows to ensure that the hook DLL is completely unloaded.
5. Install again following the normal instructions.

macOS

1. Close the Synergy app if it's running.
2. Delete the Synergy app from the Applications directory.
3. Run these commands to remove the settings (even if these files or directories do not exist).

rm -rf ~/Library/Preferences/Synergy

rm -rf ~/Library/Preferences/Symless

rm -rf ~/Library/Synergy

rm -rf ~/Library/Symless

rm ~/Library/Preferences/com.https-symless-com.Synergy.plist

rm ~/Library/Preferences/com.http-symless-com.Synergy.plist

4. Run this command to unload the preferences:

killall -u $USER cfprefsd

5. Install again following the normal instructions. Note: Sometimes the cfprefsd command fails silently, so you may need to retry the reinstall steps.

Linux

1. Remove the Synergy package using your package manager.
2. Run these commands to remove your settings(even if these files or directories do not exist):

rm -rf ~/.config/Symless/

rm -rf ~/.config/Synergy/

rm -rf ~/.synergy/

rm -rf ~/.symless/

3. Install again following the normal instructions.