Win10 system installation .net failure error code 0x80070003 failure analysis and solution

Win10 system installation .net 3.5 failure prompts error 0x80070003 phenomenon, as shown below:

Cause analysis:
If your computer has created multiple accounts, and the old account has been deleted (delete in computer management) It can't be removed cleanly, probably because of registry residue.
Win10 system installation. Net failure solution:
Method 1:
1, press Win + R to open the run, enter Regedit Enter to open the registry editor;
2, navigate to the following location :
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionProfileList
3, keep S-1-5-18, S-1-5-19, S-1-5-20 and S-1-5-21-xxxx;
Remarks The following xxxx represents a string of numbers, which are different in each person's computer. This item represents the account you are using.
4, one of the items of S-1-5-21-xxxx is that the clean account data is not deleted, you can delete it, but don't delete the current account data;
Method 2:
If The above method is invalid. You can also use the image to install Dism /online /enable-feature /featurename:NetFX3 /All /Source:H:sourcessxs /LimitAccess
Remarks: Net 3.5 is a necessary runtime for many software. Win10 system users who encounter the same problem during installation, may wish to solve the problem according to the above method!
The above is the failure analysis and solution of Win10 system installation.net failure error code 0x80070003