If you installed SP1 (Service Pack 1) in Windows 7 and try to move a file or folder in Windows Explorer, you get "Item Not Found" error message:
This problem might occur if you disabled "Libraries" feature in Windows 7 using Registry trick as mentioned here.
Please note that we are also using the same trick to disable Libraries feature in Windows 7 but we didn't face any problem while moving/copying file and folders even after installing SP1.
Simply run the "Restore Default Settings.reg" file stored in the ZIP file given in following tutorial:
Once you restore the settings, your problem will get fixed.
Thanks to our reader "veegertx" for bringing this issue to our attention...