Solve the severe error (0 × 80070643) when installing xp. NET Framework 4)

Step 1:

1. Start -- run -- Enter cmd -- press enter -- enter net stop wuauserv in the open window

2. Start -- run -- enter % WINDIR %

3. In the opened window, there is a folder called softwaredistribution, rename it as sdold

4. Start -- run -- Enter cmd -- press enter -- enter Net start wuauserv in the open window

Step 2:

1. Start -- run -- enter Regedit -- press ENTER

2. Find the registry, the main sub-key under HKEY_LOCAL_MACHINE \ Sofware \ Microsoft \ Internet Explorer, click main, and find "edit" -- "permission" in the above menu ",

After you click it, the words "allow full control" will appear, and you can click it. The main reason for this is the system using ghost. Many systems have kidnapped IE.

Step 3: Install net. framework4.0