Windows 10: Constant Crashing w/ Invalid Activation Key

I've had a lot of issues with this laptop and I should've gotten a computer, but since i'm flat broke on really anything along with the constant 700 blue screen and black screens i've had for almost 9 months straight and still logging everything manually and letting the computer catch most of them and reading the .dmp files, I haven't got a clue on what it's fussing about. Does anyone have any idea what's going on? The following crashes i've had were:System Service ExceptionIRQL Not Less Or Equal/Driver IRQL Not Less Or EqualKmode Exception Not HandledBlack ScreenI'm guessing it's my virus sc

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ACTIVATION KEY INVALID

win 10 stopped working after restart - all the steps and possibilities but continued saying there was a problem - had to reinstall from usb but now have the invalid activation key message - (using the key from system 7)

Tried command prompt solutions from forum - nothing works

please help

 

Invalid activation key

I bought a win10 pro key but when I enter it in the activation thing in the settings it says the key is invalid. I tried to get Microsoft support but the removed the text chat option and now all you can do is either call them or ask the community. I did
the text chat once and the lady was able to take control of my pc and work out my last problem with me. Anyway just need something explaining why it says my key is invalid. I did the activation troubleshoot and it fixed nothing.

 

Taskbar bug: switching to another window -will not appear at the front


Follow either of these steps to fix the issue with the Active window hiding behind.

Method 1:
I suggest you to disable window by hovering over it with the mouse and check if it helps. To do so I suggest you to try the below given steps and check if it helps:

1. Press Windows key + X key and click on Control Panel.
2. Select or click Ease of Access.
3. Click or tap onEase of Access Centre.
4. Click on Make the Mouse Easier to Use was uncheck Activate Window by hovering over it with the mouse.
5. Check if issue is resolved.

Method 2:
I would suggest you to completely uninstall the touchpad driver and reinstall it. Kindly follow the below given steps.

1. Press “Windows key + X” and click on “Device Manager”.
2. In the list of devices, you should see the touchpad drivers.
3. Right click on the device and then select "Uninstall".
4. In the uninstall dialog, make sure you select the option to delete the driver package from the system. This causes the driver package installed earlier to be deleted.
5. In the Action menu of Device manager, select “Scan for Hardware changes” option. This will cause the device driver to be reinstalled. Once the driver is installed, close all windows and restart the computer.