To repair WebView2, you can follow these steps:

1. Open the Control Panel.
2. Click on Programs and Features.
3. Scroll down the list of programs and find Microsoft Edge WebView2 Runtime.
4. Click on Microsoft Edge WebView2 Runtime and then click Change.
5. In the Microsoft Edge WebView2 Runtime Setup window, click Repair.
6. Click Next.
7. Follow the on-screen instructions to complete the repair process.

If you are unable to repair WebView2 using the above steps, you can try uninstalling and reinstalling it.

To uninstall WebView2:

1. Open the Control Panel.
2. Click on Programs and Features.
3. Scroll down the list of programs and find Microsoft Edge WebView2 Runtime.
4. Click on Microsoft Edge WebView2 Runtime and then click Uninstall.
5. Click Yes to confirm.

To reinstall WebView2:

1. Download the Microsoft Edge WebView2 Runtime installer from the Microsoft website.
2. Double-click on the installer file to start the installation process.
3. Follow the on-screen instructions to complete the installation process.

Once you have reinstalled WebView2, you should no longer have any problems with it.

Here are some additional tips for repairing WebView2:

• Make sure that you have the latest version of WebView2 installed. You can check for updates by going to the Microsoft Edge WebView2 website.
• Try running the WebView2 Runtime installer as an administrator.
• Temporarily disable your antivirus software and firewall. These programs can sometimes interfere with the installation or repair process.
• Clear your Windows temporary files. You can do this by pressing Windows key + R and typing “temp”. Then, delete all of the files in the Temp folder.

If you are still having problems with WebView2, you can contact Microsoft support for assistance.