Error 1606 is a message that can appear for a large variety of reasons, however in many cases it will appear when you are attempting to add, remove, or modify a Microsoft program on your computer.
Usually when you try to do one of these actions you expect the system to change the program however you are telling it to, however sometimes it will create an issue and this request cannot be completed and this is where Error 1606 comes from. Listed below will be the main causes of Error 1606 as well as different ways of fixing Error 1606.
The thing to do when encountering a problem is to find out why Error 1606 is appearing on your system. The majority of times Error 1606 will appear if there is an incorrect entry into one of the registries within the operating system. In case you do not know, the registry is like the main cabinet where all information is stored for the operating system as well as many programs in your system.
If there is a corrupt or invalid registry key within your operating systems registry there is a good possibility that this is the cause of Error 1606 messages that are appearing on your system. In many cases the invalid registry entry can be located at this location: HKEY_CURRENT_USER Software Microsoft Windows CurentVersion Explorer User Shell Folders. Now that we know what the general cause of this version of error 1606 we can look at ways to fix the problem.
Because this instance of Error 1606 is due to an incorrect registry entry there are two different options to fix the cause of the problem. The first, and harder, option is to manually open your Windows registry.
Once the registry is open then you can manually fix the registry key that was listed above, however it must be noted that this is an advanced action and should only be done by people with knowledge of what they are doing as the wrong changes to registry entries has the possibility of damaging your operating system even more than the affects of error 1606.
The second option is to download a registry cleaner and run a full system scan to locate the cause of Error 1606 on your computer. Many people prefer this option because all that is required is to download the program and start a full system scan. Many of these registry cleaners will automatically fix the identified problems and take all the guess work out of finding the cause of Error 1606.