Sitecore 9.1 : Installation Issue

During Sitecore 9.1 Installation, we have experienced below error-

Solution

1. Close all open document
2. Open Powershell ISE Admin
3. Uninstall-Package SitecoreInstallFramework
4. Go to C:\Program Files\WindowsPowerShell\Modules
5. Delete SitecoreInstallFramework Folder if available.
6. Download and Unzip “SitecoreInstallFramework.zip”
7. Copy Paste SitecoreInstallFramework Folder into C:\Program Files\WindowsPowerShell\Modules
8. Open Manage User Certificate console click on start button and search Manage User Certificate
9. Go to Personal > Certificates and Remove DO_NOT_TRUST_SitecoreRootCert
10. Go To > Trusted Root Certification Authorities > Certificates > Remove DO_NOT_TRUST_SitecoreRootCert (if more then one available then remove all)
11. Go To > Intermediate Certification Authorities > Certificates > Remove DO_NOT_TRUST_SitecoreRootCert (if more then one available then remove all)
12. Go To > Third-Party Root Certification Authorities > Certificates > Remove DO_NOT_TRUST_SitecoreRootCert (if more then one available then remove all)
13. Restart PC
14. Install Sitecore Again

Are you facing such kind issues in your Sitecore Project? Mail us at info@addact.net.