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The original was posted on /r/sysadmin by /u/jwckauman on 2023-07-17 14:22:22+00:00.
We use SolarWinds Patch Manager to deploy software updates/upgrades. For years I have tried to deploy WinZip upgrades but have never been successful because of this WinZip.wzmul registration file that has to live in to C:\ProgramData\WinZip. When you upgrade WinZip to a higher major version, you have to replace the registration file for the previous version with the one for the new version. The filename is the same across versions, but the contents are unique to each major version (e.g. 25.x, 26.x, 27.x). Something is preventing the deployment package overwriting the previous file with the new one. I'm guessing it's UAC or possibly the file is in use? I've tried terminating WinZip prior to upgrading but that doesn't help. Any ideas? I suspect no matter what product you are using to upgrade software, the issues are similar, so I appreciate any thoughts on how you might have or would solve this problem (either with WinZip or a similar product that has the same type of registration process).
NOTE: we use WinZip because we have 20 years of development invested in it. If we were starting from scratch, I'd use something else.