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In this case, it's happening with Microsoft Security Essentials, which is kind of a big deal for me. It fails to install without error if I hit cancel on the prompt.
This also happens basically any time I try to install something through Steam, but in those cases usually hitting Cancel lets the rest of the install go through without issue, probably because I already have the necessary files in the SxS folder.
Searching for this problem is hard. There is a ton of irrelevant bullshit and the people having the same problem as I am having never report success in fixing it. Anyone know what I should do?
looks like your windows installer service is hung on an old task.
Also check this one
HKEY_LOCAL_MACHINE \System\CurrentControlSet\Control\Session Manager\PendingFileRenameOperations (this one could also just be \FileRenameOperations\)
it should have no entries.
Other then that might just want to reregister your installer
Posts
HKEY_LOCAL_MACHINE \Software\Microsoft\Windows\CurrentVersion\Installer\InProgress
looks like your windows installer service is hung on an old task.
Also check this one
HKEY_LOCAL_MACHINE \System\CurrentControlSet\Control\Session Manager\PendingFileRenameOperations (this one could also just be \FileRenameOperations\)
it should have no entries.
Other then that might just want to reregister your installer
msiexec.exe /unregister
msiexec.exe /register