I dont know if this is going to help - but error message below
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The downloaded file "projectmanager.1.0.0.10.to.1.0.0.12.wyu" failed the signature validation: Verification failed.
This error is likely caused by a download that ended prematurely. Total size of the downloaded file: 2.37 MB (2483813 bytes).
Computed SHA1 hash of the downloaded file: 5C-69-0A-59-DB-06-F5-D1-2B-10-32-82-7F-92-E5-D8-C1-24-E1-9C