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Updated the script to works with 8u73 & 8u74. Everything is working again: uninstall of previous versions and admin install are back. 3.2b1 was a quick & dirty fix and is buggy (thanks Thiersee), please update to 3.2

Hi mooms, I tried it many times in 2 VMs with the old and the new installer: JRE 8u66 installed, then updated to 71/72 ---> 8u66 (8u71) has been uninstalled; updated the existing 8u72 to 8u73/74, 8u72 has not been uninstalled. 8u73 installed and updated to 8u74, 8u73 has not been uninstalled. Edit: I think I found what caused the error: in every line ECHO SetEnvironment="DelOldVer=%%%%P:hidcon:cmd /c For /F \"tokens=2 delims={}\" %%a In ('Reg Query %%swUninst_%%%%P%% ^| FINDSTR \"%GUID%\"') Do exeExec /x{%%a}">> "32.cfg" you wrote exeExec, but this command does not exist: I changed it in MSIexec and it works. Installed 8u72, updated to 8u74: every time the previous (or already installed) version has been uninstalled. An already installed 8u74 has been uninstalled too.