Almost all Antivirus programs will flag the R2R Root Certificate as a "Trojan" or "Riskware." This is usually a false positive based on its function, but it requires the user to create an exclusion.
According to documentation from Scribd and Audiobar , the manual installation follows standard Windows certificate procedures:
In a secure computing environment, the operating system (Windows) maintains a store of trusted root certificates. If an application tries to visit a malicious website posing as a bank, Windows checks the certificate. If the certificate is self-signed by a hacker (or a cracking group) rather than a trusted authority, Windows flags it as unsafe.