Step 1. Go to Run
Step 2. Type "gpedit.msc" and click on ok
Step 3. In tree view select Local Computer Policy -> Administrative Templates -> Network -> QoS Packet Scheduler
Step 4. Double click on "Limit reservable bandwidth"
Step 5. Enable it and set bandwidth Limit to 0%
Step 6. Click OK
Step 7. Close "gpedit.mcs"