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We would need to see the log files for a better idea of the second error message (which is just an error code of -1). As for the first problem, is there a chance your

AppData\Local

directory is mounted on an external drive? The error message suggests that Rancher Desktop was able to install the temporary tar file but wasn't able to unpack it and extract the files it needs. Again, there might be som einfo in the log files. And the log files are in

...\AppData\Local\rancher-desktop\logs

. Best bet would be to create an issue at https://github.com/rancher-sandbox/rancher-desktop/issues, zip the log files into a

log-file.zip

, and attach them there.