Win7 installation software "Unable to access Windows Installer service" problem solving method

Method 1:
1, click “ start & mdash; & mdash; all programs & mdash; & mdash; attachment & mdash; & mdash; command prompt.
2, right-click command prompt, select “ run as administrator ”
3, enter the following code content and press Enter
code is as follows:
reg deleteHKLMSOFTWAREMicrosoftSQMClientWindowsDisabledSessions /va /f
4, restart the Win7 system.
Method 2:
1, press “ Win + R & rdquo; open & ldquo; run & rdquo; window, enter regedit.exe to open the registry editor.

2. In the open registry editor, find the following registration item HKEY_LOCAL_MACHINESOFTWAREMicrosoftSQMClientWindowsDisabledSessions
3, delete the DisabledSessions registration item, exit the registry and restart the computer.