You mapped a network drive as Z:\ODIS_Downloads , but the network cable disconnected or the server IP changed. Fix: Use the UNC path instead of a mapped drive letter. Example: \\SERVER\ODIS_Share\Downloads . UNC paths resolve dynamically even after network resets.
Go to: Extras → Settings → Paths → Data / Flash / Logs (Exact menu varies by version) odis download dest
For the used for vehicle diagnostics, "download dest" typically refers to the Post-Setup local directory where the database and diagnostic data are installed. You mapped a network drive as Z:\ODIS_Downloads ,
For advanced users running low on C: drive space, Windows symbolic links (symlinks) offer an elegant solution. You can force ODIS to believe its dest is on C:\ODIS_Downloads , while physically storing data on D:\Massive_Storage . odis download dest