If you run sfc /scannow (System File Checker) after using Microsoft Toolkit 2.9, you may find corrupted system files. The tool often modifies the LicensingUI.exe and sppsvc.exe , which can cause:

Microsoft Toolkit is a 2-in-1 activator that combines modules for both Windows and Office. It primarily uses Key Management Service (KMS) technology. Legitimate KMS:

While some community members view it as a stable project, downloading it from unofficial sites poses a high risk of acquiring actual malware or system-damaging code . Distinguishing from Official Tools