I have windows 10 and found that when I try to uninstall a game I got through Gog, it freezes. I go through programs and features to uninstall and when I do, nothing happens. I have to go to task manager to end the process. This only recently started happening.

May be its one of the Windows 10 hidden feature.
I would suggest you to use a third party uninstaller like geek uninstaller or iobit uninstaller.

Contact support about it. While it might take some time, perhaps they can help you figure out the problem and also prevent it from happening to other people if the problem is with their installers.

Did you try waiting? On my machine both installers and uninstallers take up to 10 minutes to appear sometimes. Not always but in some games like Witcher 2.

What Engerek01 said. Try waiting. For a looooooong time. I don't know Windows 10, but this happened on my Windows 7 desktop PC once when I tried to install a GOG game. I double clicked the installer and nothing happened. I thought it didn't recognize my double click (happens sometimes, when you move the cursor and drag the icon slightly), so I double clicked the installer again. And again: Nothing happened.

I didn't go to the task manager, but started to Google for possible problems. After a couple of minutes I got an UAC prompt (the "Do you want to allow the following program..." pop up)... It was the one from the installer. I hit yes, started the installation, went to the task manager and found another UAC process there, completely idle, waiting for nice weather or something -.- It took anotther minute or two before it became active again and gave me the pop up.

Again, I don't know Windows 10, but this is something that can happen on Windows 7 sometimes.

Could that be due to antivirus? Ie. it sees you trying to run a humongous executable (the installer), and decides to check it completely before letting you continue?

Hopefully it is not Windows snooping around for no good reason, trying to be "helpful" somewhere where it should just keep its fingers off...

Antivirus didn't report any activity, so... No, I don't think so. There are a shitload of possible reasons why the UAC prompt takes forever to show up (some people even get the greyed out screen and wait another minute for the pop up oO). I never investigated why it happened on my system, because it only happened once and never again.

Only way to uninstall the games is to beat them first then your permitted to uninstall them. Its a new feature in Windows 10......

Go commando on it. Shut down anything pointing to that application folder where you installed it: the game itself, command prompts, any open explorer windows to that directory.

Delete the entire folder, if you get no errors, great. Then click on the shortcut (on your desktop or wherever) to launch it. When it fails, you'll be ask to delete the shortcut, confirm.

Congrats, game-b-gone.

I contacted support but haven't heard back yet. I was able to use the uninstaller in the game folder but it didn't seem to uninstall everything. Thanks for all the advice.

That is the most wrong way to uninstall anything. You left so much crap behind in the registry and system folders by doing this, which will only cause more and more problems down the line. If you have made a habit of this kind of thing, your system must be a total mess.

I can only agree with this even more, I would suggest you run some registry tools, disk cleanups as there will be folders, reg entries etc. in all kinds of places. This can cause all kinds of problems.

Yes, there is some truth to that, an application can put cruft in the registry and applications like CCleaner can detect and find those abandoned registry keys.

There are certain applications which hook their keys into the device driver chain, but those are usually apps which are paranoid about copy protection and whatnot, best not installed at all.

If you actually trust and install applications which are placing hidden keys in your registry and dropping files into hidden system folders (which BTW, you can use tools like Sandboxie to see exactly what changes on the file system and the registry occur), and you still have a complacent attitude about it, then you get what you deserve.

I know how to keep my system clean, lean and running mean. :)