XP system user .net exception causes the engine to fail to start how to solve

                                                                                                                                                                                         In view of the fact that some users who use XP system will have a .net exception, which may cause the engine to fail to start, it is recommended to use the following methods.
Note: This tutorial is only for .NET installation under XP state. Please do not use other versions of the system.
Self-test steps:
1. The application cannot be installed or the installation cannot be started.
2. Check if the engine can start normally.
3. Can not start normally, please turn off the anti-virus software and update the graphics card driver.
4. Still unable to start (standby after running or running, but no window), you can download the .net uninstaller and installer inside the Dongdong user group.
First step: Uninstall the .net process:
Because the original .net may have a corruption exception, it is recommended to uninstall .net first, and then install it after the complete uninstall, without overwriting the installation.
Click on the file in the group to find the uninstaller. After the download is complete, please run the program shown in Figure 1 below:

Figure 1
After opening the archive, find the exe file and double-click it to open it and run it. The program shown in Figure 2 below:

Figure 2
After running the exe, a prompt box will pop up asking if you want to delete the .NET component. The point is as shown in Figure 3 below:

Three
Click YES. As shown in Figure 4:

Figure 4
After selecting All Versions, click Cleanup Now. As shown in Figure 5:

Figure 5
The program is being executed and the button will be grayed out. This process is about 5 minutes. As shown in Figure 6:

Figure 6
.net uninstall after clean, will prompt dialog box, whether to restart computer
, click [Yes], there will be a certain probability will not pop up prompts The Cleanup Now button is re-brightened, and the uninstallation is complete. You can close it directly and then install .net. As shown in Figure 7:

Figure 7
Second, install the .net process:
After the computer restarts, run the following file, and then click Next to install according to the prompts. As shown in Figure 8:

Figure 8
After the installation of .net is completed, remember to restart the computer.