Problem with sonic stage 4.3 for windows vista. error code 00005e27 on opening the program

Maybe this link will help:
https://www.howtogeek.com/228689/how-to-make-old-programs-work-on-windows-10/

I hope you have Sonic Stage software installed in your computer to transfer mp3 files in this mp3 player.
Plug mp3 player in computer and Sonic Stage software and transfer few mp3 files in mp3 player. software will take care of that error as well and will install required files/ folders in mp3 player automatically.

Format using Vista OS then use a program called "Sonic Stage" to transfer files from your PC to the Device. If you need the software, send an e-mail to allanabbas@yahoo.co.uk i,ll send it to you.

I don't know if this will help but have you tried Sony's website? There is a security update for Sonic Stage 4.3 that they say must be installed in order to make the program run properly. Go to Sony USA and type in minidisc players in the search window. Then click on the link for minidisc players. When that window opens type in your model number and the page displaying that particular model should open. There you should find the latest software updates. I downloaded Sonic Stage 4.3 along with all of the needed updates from Sony's site and it works just fine for me. You may have to uninstall your current software and reinstall it after installing the security update as the installation instructions on the website said that the installation must be done in that order or the Sonic Stage software may not work properly. Sony also offers email tech support.
Good luck.

reinstall sonicstage on a different account, it still wont work on the original account but i should be OK on the new account.

That happened to me
Delete sonicstage and re download it
just delete the Icon
I did that and all my songs were back in order

You can set up the SonicStage software on multiple PC's / Laptops. You can also transfer songs from your MP3 player to your PC and Laptop or vice versa.

Try rebooting your laptop while the USB MP3 Player connected to the USB port. After reboot, try clicking on the installed SonicStage icon. If this goes through then your MP3 player will be detected and you can now transfer music to it.

had same problem, but it's easy to solve. When you use vista and sonicstage 4.3 (vista version)
the only thing you have to do is to go to the propertiesscreen en turn off the compatabilitymodus with xp en it will run fine.

open mg is the app used to run sonic stage, maybe you are using a dead icon, try finding it in your C drive, and no, windows meadia player will not recognize the special sony audio format. so your SOL w/out the sonic stage

According to the Sony website the connect player won't run under Vista. They suggest downloading their Sonic Stage software instead but according to the spec that won't show the current track playing.