How to Fix the Windows Tool That Won’t Open (For Windows 7 and 8 Users)

If you're trying to upgrade your computer from Windows 7 or 8 to Windows 10 and the upgrade tool won’t open — don’t worry! This happens because your older computer is missing something called "security settings" that newer tools need to work.

We'll guide you step by step, like a cooking recipe. Just follow along slowly, and we’ll get it fixed together

What We’re Going to Do:

1. Turn on a setting in your computer so the upgrade tool knows how to talk to Microsoft

2. Delete some old update files (this won’t delete your stuff!)

3. Restart the computer

4. Try the upgrade tool again

Step 1: Open the “Registry Editor”

Think of this as a special notepad where Windows keeps its rules.

1. Click the Start button

2. In the little search box, type: regedit

3. Press Enter on your keyboard

4. If something pops up asking for permission, click Yes

Step 2: Turn On the Right Setting

This part may sound tricky, but just go slow:

1. In the window that just opened (called the Registry Editor), look at the left side — like folders.

2. Double-click the folders in this order:

HKEY_LOCAL_MACHINE

└── SOFTWARE

└── Microsoft

└── Windows

└── CurrentVersion

└── Internet Settings

└── WinHttp

3. Right-click on WinHttp, then choose New > DWORD (32-bit) Value

4. Name it: DefaultSecureProtocols

5. Double-click the thing you just created, and enter this number: A00

6. Click OK and close the window

That’s it! We just helped your computer understand new security rules.

Step 3: Clean Up Old Update Files

1. On your keyboard, press Windows + R (hold the ⊞ Windows key and press R)

2. A box will appear. Type this into it:

C:\Windows\SoftwareDistribution\Download

3. Press Enter

4. A folder will open — press Ctrl + A to select everything, then right-click > Delete

5. Say “Yes” to any questions it asks

This deletes leftover stuff your computer doesn’t need.

Step 4: Restart the Computer

Click Start > Restart and wait for your PC to come back on.

Step 5: Try the Tool Again

Now double-click the file you downloaded earlier — the Windows 10 upgrade tool (it may be called MediaCreationTool.exe).

If it asks, right-click it and choose “Run as administrator.”

This time, it should open and work properly

Still Stuck?

Send an email to help@thesoftwarekings.com or click the little chat bubble on the bottom right of our website — our team (or our chatbot, King Helper ) will guide you through it.