Win10 system .net 3.5 installation failure error 0x80070003 solution

.net 3.5 is the Windows function under Win10 system, many software needs to be installed under Win10 system. Net 3.5 can run. Some users have error 0x80070003 when installing .net3.5 in Windows function. What should I do at this time?

Analysis:

If your computer had created multiple accounts and old accounts have been deleted (in Computer Management to remove and clean, can not be deleted), probably because of residual registry resulting in.

Solution:

1. Press Win+R to open the run, enter Regedit and press Enter to open the registry editor.

2. Navigate to the following location:

HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\ProfileList

3. Be sure to keep S-1-5-18, S-1-5-19, S-1-5-20 and S-1-5-21-xxxx (The following xxxx represents a string of numbers, which is different in each person's computer. This item represents the account that you are using).

4, one of the S-1-5-21-xxxx items is not deleted clean account data, you can delete, but do not delete the current account data.

If the above method is invalid, you can also use the image to install Dism /online /enable-feature /featurename:NetFX3 /All /Source:H:\\sources\\sxs /LimitAccess

The above is Win10 system .net 3.5 installation failed error 0x80070003 solution, if .net3.5 can not be installed, then some software can not run, so this problem should be dealt with as soon as possible.