As a matter of fact, Diagnostic Window error can be troubleshooted in many different ways. In this blog, I want to provide you two effective solutions.
Solution One: Troubleshoot Diagnostic Window Problems By Yourself.
Solution Two: Troubleshoot Diagnostic Window Problems with SmartPCFixer.
Solution One: Is It Possible to Solve Diagnostic Window Error By Yourself?
To resolve Diagnostic Window issue immediately, we highly recommend you to do a free check with sfc utility.
1. To do this, click Start, type Command Prompt or cmd in the Search box, right-click Command Prompt, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
2. At the command prompt, type the following command, and then press ENTER:
See more details: https://support.microsoft.com/en-us/kb/929833
Solution Two: Fix Diagnostic Window Issues with SmartPCFixer
1. Download and install SmartPCFixer to resolve Diagnostic Window error.
2. Follow the installation instruction and run SmartPCFixer.
3. Use SmartPCFixer to clean your computer registry first. Just as the picture below.
4. Click Start Scan and eliminate Diagnostic Window error completely.
Diagnostic Window error can be a disaster for your PC. If Diagnostic Window error cannot be troubleshooted in a effective way, you may received more severe computer problems. Therefore, for the sake of computer security and personal information, you need to get rid of Diagnostic Window error as soon as possible with the guide in this post. SmartPCFixer can be your best choice to remove Diagnostic Window error in time.
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