In case you have a missing Library, this will show you how to restore all of the default Libraries in Windows 7.
Note
Libraries let you access and arrange items from one or more folders quickly without moving them from their original location. Libraries themselves don't store your files or folders. Instead, they point to different locations on a hard disk or external drive attached to your computer. This gives you easy access to a category of files no matter where they are stored. For instance, if you have music files on your hard disk and on an external drive, you can access all of your music files from within the "Music" library.
Here's a list of the default libraries, as well as the folders you can access in each library:
Documents library -Use this library to access the Personal Documents folder, where you can store word-processing documents, spreadsheets, presentations, and other text-related files. By default, files that you move, copy, or save to the Documents library are stored in the Personal Documents folder.
Pictures library - Use this library to access the Personal Pictures folder, where you can store digital pictures, whether you get them from your camera, scanner, or in e‑mail from other people. By default, files that you move, copy, or save to the Pictures library are stored in the Personal Pictures folder.
Music library - Use this library to access your Personal Music folder, where you can store digital music, such as songs that you copy from an audio CD or download from the Internet. By default, files that you move, copy, or save to the Music library are stored in the Personal Music folder.
Videos library - Use this library to access your Personal Videos folder, where you can store videos, such as clips from your digital camera or camcorder, or video files that you download from the Internet. By default, files that you move, copy, or save to the Videos library are stored in the Personal Videos folder.
For more information about Windows 7 Libraries see:
Not sure what happened to your Libraries, but you might see if running a sfc /scannow command may be able to fix them.
If not, then you can create a new adminsitrator account, copy the contents of your old account's user folders into the corresponding new account's user folders. If everything checks out ok, then you can delete the old account from within the new one.
If all else fails, or you do not want to create another account, then you can do a repair install without losing anything.
System Manufacturer/Model Number Self-Built Jan 2010 OS Windows 7 64-bit CPU Intel Core i5 750 2.66Ghz Motherboard Asus P7P55D Pro Memory Crucial 8GB (4x2GB) DDR3 1333MHz Graphics Card Sapphire HD 5850 1GB GDDR5 Monitor(s) Displays Benq G2420HDBL LED LCD 24" DVI-D 1920x1080 Screen Resolution 1680 x 1050
Keyboard Microsoft Reclusa Mouse Microsoft IntelliMouse Explorer 3.0 PSU Corsair HX 750W Case Antec 300 Cooling Arctic Cooling Freezer 7 Pro rev 2 Hard Drives Samsung SpinPoint F3 1TB SATAII 7200rpm 32MB Cache (x2) Internet Speed 10 Mb/sec (cable modem) Other Info Sony AD7241S 24x DVD±RW SATA Dual Layer & RAM Burner + LightScribe
System Manufacturer/Model Number HP OS Win7 CPU Intel Centrino T2050 1.6GHz Memory 2.00GB Graphics Card Mobile Intel 945 Express Chipset Sound Card Conexant HD audio Screen Resolution 1280x800
Mouse Genius GM-04003A XSCROLL Hard Drives Samsung HM120JI 120GB Internet Speed 2M Cable Other Info HP Pavilion dv6000 Laptop
I can't delete my four folders under Libraries. I can expand the Libraries folder on the left in the navigation pane to show videos, documents, photos and music, but when I click on Libraries itself nothing appears on the right hand side, it remains empty.
I have tried to delete these four folders exposed when expanding Libraries but none of them are budging
System Manufacturer/Model Number Custom Built OS XP Pro CPU AMD Sempron Processor 3000+ 1.8GHz Motherboard Asus K8V-MX Memory 2.0 GB Graphics Card Ge Force FX 5500 Sound Card Intergrated Monitor(s) Displays yusmart 19" Monitor 1280x1024
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Tip
Quote: Originally Posted by chappers5 
Moved default Location .. what about Libraries ? 
