You have an Acer Aspire one model ZG5 that you just performed a Microsoft Windows System recovery on. Now it takes forever for your computer to shutdown properly. What can you do to fix this, you keep asking yourself?
Your Microsoft Windows XP user profile might be causing your slow shutdown. You can download and install user profile hive cleanup service. Double click on the UPHClean-Setup.msi file to install this service.
Once installed it is set to become an automatic service at Microsoft Windows XP startup. Reboot your computer after installation and then perform a test shutdown. Hopefully, that Microsoft Windows XP user profile hive cleanup service will fix your issue.
Sometimes Microsoft Windows XP is slower to shutdown, the longer you have your computer on. Does that change anything? Not necessarily, that user profile hive cleanup service basically makes sure that your Microsoft Windows profile is cleaned up properly before your computer shuts down.
If this fixes your issue then it should not matter how long you have your computer on. These instructions were written for an Acer Aspire one model ZG5 with Microsoft Windows XP installed. You can certainly use these instructions for other computers with Microsoft Windows XP installed.