Win7 64-bit flagship download, you will find the Internet to download software resources, and software resources have a variety of formats, in the process of installation will inevitably encounter some problems. A few days after the user installed the software under the Win7 operating system error and prompted "Unable to access the Windows Installer service." This can occur when Windows Installer is not installed properly. Contact your technical support staff for assistance. "Causes the software installation to be unable to complete, this kind of situation mainly is the MSI type software installs the package to be more error prone, then how to solve?" Let's look at the specific solution.
Workaround/Step:
1, turn on the computer, click start → all → accessories → command prompt and other options, and then right-click to choose to run as an administrator.
2, enter the following content in the input box, and then click Enter:
Reg Delete hklmsoftwaremicrosoftsqmclientwindowsdisabledsessions/va/f (you can also make this. bat processing file, right click to run as Administrator), and then reboot the system.
3, run Regedit.exe Open Registry Editor, find hkey_local_machinesoftwaremicrosoftsqmclientwindowsdisabledsessions and other options inside. Simply delete the last item and restart the Win7 system xitongcheng.com/win7/as shown in the following illustration:
Through the W7 system registry related modifications, encountered software installation error can not access the Windows Installer service, it is also easy to be resolved, I hope that you encounter installation problems help.