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#1
Having the exact same problems. Very frustrating. Unable to install/update programs including Windows Updates, AVG. Also cannot uninstall programs. Hoping someone can recommend a fix!
Checked Task Manager, but there are no programs running that needs "End Task".
Then checked Administrator Tools --> Services --> Windows Installer --> Properties --> here I got stuck, supposed to change Startup Type from Manual to Disabled, then restart the computer; however, the dropdown menu for Startup Type does not function.
this was since last month. restarted everyday and tried the microsoft FAQ by going into task manager n end all non windows running program but still didnt work after that.