"Please restart windows before installing new program" error Solved
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You can solve the problems by making changes in the Registry
1. Open the Registry editor by starting the "regedit.exe" file in this path: "C: \ Windows". Check whether the value "PendingFileRenameOperations" is in the path "HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Control \ Session Manager".
2. In the right window double-click the value "PendingFileRenameOperations" to open the editor for multiple character strings.
After completing the steps described above you delete the value "PendingFileRenameOperations" in the Registry code "HKEY_LOCAL_MACHINE \ System \ CurrentControlSet \ Control \ Session Manager \" via pop-menu (right-click).
Now you can install more programs without having to restart the computer again.