Computer installation system times wrong 0x800700b7, unable to continue installation solution

Lenovo notebook When installing the system "Windows cannot install the required files, make sure that all files required for installation are available and restart the installation, error code: 0X800700B7" as shown below:

Possible causes for this error are:

1, the use of incorrect installation methods, in the system under the use of virtual optical drive mounted on the Windows system CD-ROM image installation.

2, because in the system directly running the system installation program, by the system anti-virus software interception.

3, using the wrong installation of the CD-ROM, using the Internet has been modified not the original version of the Windows system CD-ROM image.

4, select the system does not support the installation method, in the original XP or Vista system under the choice of upgrade installation, rather than a new installation.

Operation Steps:

The new installation system will result in data loss, please back up the important documents, the system encrypted the key of the files and other important data.
1, the use of Microsoft's original system CD-ROM, from the CD-ROM drive or U disk boot installation, format the hard drive, choose a new installation.
2, if the machine is using a key to restore 5.0 and opened the Lightning recovery notebook such as Tianyi F40, or installed a Third-party hard disk protection software such as the storm, need to turn off lightning recovery and uninstall related protection software to install the system.

If you are installing the original Microsoft, you can:

The specific actions are as follows:

1. Computer-Organization-folder and search options-View-Remove the checkbox before "Hide protected system action files" and select the check box before "Show files, folders, and drives"-OK.

2.c-User-xxx (username)-appdata-local-temp-Right-properties-security-add-Select User or group-write "SYSTEM" under "Enter object name to select"-OK.

3. Return to the Temp property interface-select System-Selects the check box before full control and modify under System permissions-OK.

4. Return to temp Property interface-OK.

The operation is complete, then the program can be installed smoothly.

In fact, the temp to get permission ~ (General installed when the best first to the entire user folder to obtain permissions), Win7 installed software errors are generally the right to cause the ~ is not the original modified, I do not understand the