Hi Sri, this seems to be the same issue we're tracking at Installation of SourceTree cannot be completed. Our team is already working on it, please watch there for further updates.
In the meantime, can you try downloading the previous version from SourceTree Download archives and let us know if it works for you?
A vulnerability has been published today in regards to Sourcetree for Windows. The goal of this article is to give you a summary of information we have gathered from Atlassian Community as a st...
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