: You can use R2RCERTEST.exe (often included in their packs) to verify the installation worked by checking if the digital signature on that file now shows as "Valid" in Properties.
: The process varies depending on the distribution. You might need to use command-line tools or a GUI application like the "Certificate Manager". install team r2r root certificate best
The certificate was installed to "Personal" or "Intermediate" store, not "Trusted Root." Fix: Delete the wrong entry via certlm.msc and re-install using Step 5 above. : You can use R2RCERTEST