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Uninstall old version first before installing v4
After selecting 'upgrade' to V4 I have had an odd problem on every boot. I get an error message 'device not installed'
After searching my registry I noticed that HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Run contained two entries for Daemon tools, one located in folder ..\D-Tools (the old version) and the newer V4 located in foldeer ..\DAEMON tools.
This never used to be a problem with any previous updates, as they always used the same folder name, yet this version obviously installs to an entirely new folder.
I safely deleted the old key using regedit and all is fine, but I suggest that you uninstall the older version before installing V4 as a clean install untill this is rectified.
After searching my registry I noticed that HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\Run contained two entries for Daemon tools, one located in folder ..\D-Tools (the old version) and the newer V4 located in foldeer ..\DAEMON tools.
This never used to be a problem with any previous updates, as they always used the same folder name, yet this version obviously installs to an entirely new folder.
I safely deleted the old key using regedit and all is fine, but I suggest that you uninstall the older version before installing V4 as a clean install untill this is rectified.