If you are having any issue while installing McAfee in your Windows computer then you can use McAfee Pre-install tool. Download the tool from McAfee site and save it on desired location. After that double click the Pre-Install_Tool.exe file and then follow the prompts. Read the warning message and then click OK. After the pre install tool completes its task, click ok and then click close. Once you are done, simply restart your computer and then try to install the program once again. In case you face any problem in installing again, then dial us at 0808-101-2159 McAfee Support Number UK.