Windows Installer cannot be accessed

Recently after windows update, updated my computer I started to get Windows Installer could not be accessed error whenever I try to install anything. I tried to system restore but for some reason all my restore points were gone. No viruses found by Sophos Protection Current system: Windows...

I get the error when i install or uninstall any program please do help : I have attached the screenshot of the error. thanks in advance

I was having a problem earlier with tons of BSOD's, but after getting some help here I was able to solve the problem. But lo and behold I try to install something and get this new problem. I tried going into cmd and unregistering windows installer and then re-registering it but that didnt work....

Hello, I have never had to resort to using a forum to solve a windows OS related problem but after several hours this has truly stumped me. I was messing around with the uninstall a program feature and may have gotten a little overzealous as it seemed I uninstalled the windows installer....

I am getting an error when I am attempting to install the C++ Redistributable Package that says: "Windows Installer Service cannot be accessed. This can occur if the Windows Installer is not correctly installed. Contact your support personnel for assistance." I have attempted to look up...