And Right Click on HOST file and OPEN it With Notepad++. STEP 9: Not wasting you more Brain Logic.STEP 8: GO to C drive > Windows > System32 > drivers > etc (C:\Windows\System32\drivers\etc).STEP 7: These are the Further Steps of IDM installation Fully.STEP 6: Now You are able to Install the IDM again.STEP 5: Remove or Delete the whole folder of Internet Download Manager and all its Register Keys.STEP 4: Go to HKEY_LOCAL_MACHINE> SOFTWARE > Internet Download Manager.STEP 3: After Reboot Go to Windows Register, by pressing Shortcut Windows+R or by click in Run option and Type REGEDIT.Choose Full or Complete Uninstall option. Ok for Manual solving Peoples here are the Steps.Then Open Patch folder by Unreal patch and Click on Patch option then Select IDM.exe file from where you have install your IDM.But if it again say IDM register it with fake Serial key.But i will Suggest you to Download my IDM with Patch and Serial Key. After Powerful Scan Delete all the Registry File shown.Normal Uninstall it by selecting Complete and Do a Powerfull scan before restarting the Computer (Remember don't restart just after uninstall if you done that then Read from Step 2 in Manually Solve ) Choose Internet Download Manger and Say Uninstall. So the Require softwares are Uninstaller by iOrbit.