- Tap the Win + R keys to open the Run dialog box and then type “cleanmgr” in the field and hit Enter to open the Disk Cleanup window.
- After that, select the drive you want to clean.
- Now click OK to clean the disk and restart your computer.
There are a lot of home users that often get a computer that comes installed with the Windows 10 Home. And since Windows 10 Pro offers more features and utilities compared to Windows 10 Home, a lot of users also prefer to upgrade their Windows 10 Home computers to Windows 10 Pro. However, while doing so, a number of users reported that they encountered error 0xc03f6506 and they were not able to proceed with the upgrade.
If you are one of these users, when you encounter error 0xc03f6506, you will see the following error message on your screen:
“The last product key you entered can’t be used on this copy of Windows (0xc03f6506).”
This particular error tends to occur when you go on to activate Windows 10 although it can also appear during the upgrade process. In such cases, you will see the following error message:
“Unable to upgrade your edition, We can’t upgrade your edition of Windows. Try upgrading your edition of Windows again. (0xc03f6506).”
To fix the Activation Error Code 0xc03f6506 in Windows 10, use the options provided below as references but before you proceed, make sure that you create a System Restore point first.
If you have already upgraded from Windows 10 Home to Windows 10 Pro and you’re having trouble with its Activation, then you might want to apply some registry tweaks to fix the problem. How? Refer to these steps:
If the registry tweaks you applied didn’t fix the Activation error, then you can try using Command Prompt instead. Note that you can use this option in both scenarios pointed out above.
setup.exe /auto upgrade /pkey <YOUR WINDOWS 10 PRO EDITION PRODUCT KEY>
After entering the command, check if it was able to fix the Windows Upgrade or Activation error 0xc03f6506. If not, refer to the next given option below.
Just like the second option, you can also use this option for both the given scenarios above.

Error Causestakeown /f FileNameAndPathNote: In the given command, “FileNameAndPath” represents the name and the path of the corrupted file. For instance, the corrupted file is named “wuapi.dll”, then you need to type “takeown /f C:/Windows/System32/wuapi.dll” Step 5: Next, you need to grant administrators full access & control to the corrupted file and you can do that via Command Prompt again. Step 6: In the elevated Command Prompt, type and enter the following command to execute it:
icacls FileNameAndPath /GRANT ADMINISTRATORS:FNote: We’re going to use the wuapi.dll again as an example. So the command should be like this: icacls “C:/Windows/System32/wuapi.dll /grant administrators: F”. Step 7: Now all that’s left to do is replace the corrupted system file with a good copy from a trusted source. Once you have a copy, open an elevated Command Prompt again and execute the following command:
copy NewFileLocation FileNameAndPathNote: In the command given above, the “NewFileLocation” is the location where you have saved the copy of the file. For instance, if you’ve saved it on your desktop, this is how it should look: “copy C:/Users/<username>/Desktop/wuapi.dll C:/windows/system32/wuapi.dll”
What software are you using to keep your information and all your files and memories safe?
None? Yikes. Let’s hope no damage has been done to your data yet then. Because with how the digital world has evolved, your data might be getting leaked and you have no idea.
There’s really no good excuse not to purchase a quality platform for PC protection. Especially since top security solutions are available at such affordable prices nowadays, your wallet would barely even notice it.
At this point, only people who barely use their PCs and have zero sensitive information on them can get away with simply using the built-in Windows 10/11 security software. But we guarantee that those people are extremely hard to find and that you’re not one of them, and here’s why.
Even if you don’t use your computer for things that are very obviously sensitive, such as internet banking, you still have some personal data at risk of being stolen. How so? Well, think about the data you enter into your social media profiles, for example. How devastating would it be if somebody got a hold of any of it? Yep, that’s what we thought.

In the hands of a skilled cybercriminal, your phone number alone could put you at risk of scams, ransomware, identity theft and more. Also think about the stuff you share in texts and social media chats. Think about the websites you visit and how many times you may have accidentally clicked on an ad, which could very well contain malicious software. Those all seem harmless until someone’s actually used them against you.
Now imagine the dangers involved when you actually store truly confidential data on your PC and browsers. Sends shivers down your spine, doesn’t it?
In the case of a successful cyberattack of whatever type (virus, phishing, worms, etc.), there’s so much that is at stake. Businesses/legal persons will suffer from financial loss and damaged reputation, at the very least. Natural persons may be threatened or exploited, get their banking or medical information and even their identity stolen, etc. And that’s just the tip of the iceberg.
These are our biggest reasons for investing in Windows PC protection software:
Obviously, there are a lot more reasons to get your PC secured. But we think you get it. So let’s cut to the chase and take a look at our 6 favorite protection solutions and the wonders they can do for you.
*Note that in this article we’re looking at products primarily suited for households and home offices, some for small businesses. No enterprise solutions will make the list today, but stay tuned for a future article on those.
One of the biggest security product vendors out there, Bitdefender offers several awesome solutions. We want to introduce two of our favorites, Bitdefender Total Security and Bitdefender Internet Security.
Bitdefender Total Security is great for both households and smaller offices. You can choose to protect 5 or 10 devices, and not necessarily just Windows devices. It also works for macOS, Android and iOS. It offers a range of powerful features, such as:
Bitdefender Internet Security shares almost all of these features, but there are a few important differences to note. Unlike Total Security, Internet Security has more options in terms of the number of protected devices: 1, 3, 5 or 10. However it’s only compatible with the Windows platform and it doesn’t offer device optimization tools or anti-theft options. Whether or not this is a deal-breaker depends on your needs alone - we still find it a great security tool.

An award-winning Windows security product, ESET Internet Security is essential on this list. It has an outstanding protection rate of 99.9% and a range of amazing options you’ll definitely want to make use of. It can be installed on up to 10 devices, making it an awesome tool for your household, home office or a small business. It’s also compatible with macOS and Android.
These are ESET Internet Security’s best features:
If you ask us, ESET has it all!

Having a deja vu? Didn’t you just read Total Security and Internet Security somewhere? Oh, that’s right - the first entry on our list! But here we’re talking about Kaspersky, a vendor you’ve also definitely heard about before.
Just like Bitdefender, Kaspersky is another one of those renowned names in the cybersecurity world that always make it to every ‘best of’ list. And for good reason - its products really fulfill their purpose. So let’s take a closer look at the two we chose.
These are the features both Kaspersky Total Security and Kaspersky Internet Security have in common:
The main difference between Kaspersky Total Security and Internet Security is that the former offers more capabilities. These are the features KTS offers that KIS does not:
Both are excellent security tools, though we do prefer KTS a little more because of these additional options.
Of course one of the industry-leading solutions makes the list. Norton 360 Deluxe can protect up to 5 devices, be it Windows, iOS, macOS or Android. It’s worth noting that its features are best developed for Windows. Here’s what you get with Norton 360 Deluxe:
So is there anything aside from these standard protection features that makes it such a favorite among us techies? Let us tell you! Norton added a little bit of spice here with two really powerful capabilities. The Deluxe product offers 50GB of cloud backup and dark web monitoring. The latter means the software notifies you if any of your personal information is found on the dark web, which helps protect you against identity theft.

Don’t be misled by the name of this product. Antivirus software may have started as protection against viruses only, but it’s developed quite a lot. The name simply stuck. All that to say that McAfee Antivirus - another award-winning security solution - protects you against several different threats.
The basic and essential plan allow 1 and 5 devices respectively, while McAfee+ Premium and Advanced work on an unlimited number of devices. The latter two also offer more capabilities, as you can imagine. Here’s what you can expect from all of them:
Unlike the previous products, McAfee Antivirus does not offer parental controls. Otherwise it’s a pretty strong and comprehensive protection tool and might just be the right choice for you!
Last but definitely not least, we’ve got Maximum Security by Trend Micro. And yes, you guessed it, Trend Micro is also an award winner in terms of cybersecurity. Its products have been recognized as industry-leading security solutions by AV-Test since 2003. Among all its fantastic solutions, our favorite for households or small offices is Maximum Security.
You can use Trend Micro Maximum Security to protect 3-5 devices for a year or two years before needing to renew your license. Aside from Windows, it’s compatible with iOS, Android, Mac and Chromebook devices. Here’s what you can expect from this protection software:
It’s truly one of the most effective platforms out there dedicated to protecting your digital life. Using this product, ransomware, identity thieves and malicious websites don’t stand a chance.
If you’ve made it all the way here, congratulations, you’ve made the right choice: to invest in securing your valuable data! Now the question is: which one of these 6 awesome antivirus/antimalware products to select?
The paradox of choice is a very real thing - we feel you. As mentioned, it comes down to what your specific needs are. So before you go ahead and purchase your security software, make sure to explore all options.
And if you really can’t handle the decision-making anxiety, feel free to reach out. We’ll happily assist you in finding the right product to keep your digital life secure!
Regsvr32 is basically a command-line utility.
This command is used to register and unregister OLE controls for example the digital link library files and ActiveX controls in the Windows Registry. This command appears as the Regsvr32.exe file and is installed in the Microsoft Windows system file in the %systemroot%System32 folder.
The Regsvr32 command loads the library and tries to call the DllRegister Server and DllUnregister Server. In other words, it helps to register COM-based digital link library files to run different programs on your PC.
However, when the Regsvr32.exe file gets corrupt, you get the Regsvr32 to troubleshoot the error message on your computer screen. It can be displayed in various ways including the following:
“To register a module, you must provide a binary name.”
Generally, Regsvr32.exe becomes corrupt because either the load library, DllRegister Server or DllUnregister Server function fails. This indicates that the dll specified path was missing, incorrect, or couldn’t be found.
Here’s how the error messages are often displayed while registering a dll using Regsvr32.exe:
If this error message is displayed, it typically means that you entered an invalid combination of command-line arguments or switches when calling upon the Regsvr32.exe application.
The cause of this error message is that you called the Regsvr32.exe function with no modules to register located in the command line arguments.
You must re-run the Regsvr32 command from an elevated command prompt. For this, go to the start menu and type Command Prompt in the search box.
Now right-click the Command Prompt and click the option that says Run as Administrator to run the command on your PC. If it prompts you to enter an administrator password, type the password and then click Allow to run the command.
This may sound tricky but it is even simpler than the first solution discussed above. To register a 32-bit DLL using a 32-bit version of Regsvr32 on a 64-bit version of Windows, open an elevated command prompt.
After it’s opened, if you see the 32-bit DLL is located in the following path: %systemroot%System32 folder, move it to %systemroot%SysWoW64 folder. Once you change paths, run this command: %systemroot%SysWoW64regsvr32 <full path of the DLL>
Try following these 2 recommended solutions to immediately fix and repair this error on your computer.
The solutions should eliminate the occurrence of error messages such as “To register a module, you must provide a binary name.” It is so easy and effective and you can do it on your own without calling over a professional.
Congratulations, you have just fixed the Regsvr32 Error in Windows 10 all by yourself. If you would like to read more helpful articles and tips about various software and hardware visit errortools.com daily. Now that’s how you fix Regsvr32 Error in Windows 10 on a computer. On the other hand, if your computer is going through some system-related issues that have to get fixed, there is a one-click solution known as Restoro you could check out to resolve them. This program is a useful tool that could repair corrupted registries and optimize your PC’s overall performance. Aside from that, it also cleans out your computer for any junk or corrupted files that help you eliminate any unwanted files from your system. This is basically a solution that’s within your grasp with just a click. It’s easy to use as it is user-friendly. For a complete set of instructions in downloading and using it, refer to the steps below Perform a full system scan using Restoro. To do so, follow the instructions below.Stop 0x00000050 is an error code that is popularly known as the Blue Screen of Death (BSoD) error. This error occurs when Windows crashes on your system. Stop 0x00000050 error is displayed in a blue screen which is why it is called the BSoD error.
The error message appears in the following form:
Stop 0X00000050 (parameter1, 0, parameter3, parameter4)
PAGE_FAULT_IN_NONPAGED_AREA”
However, the parameters within the Stop 0x0000005 error message sometimes vary depending on your PC configuration.
Error CausesThe most common causes of the Stop 0x0000005 error are:
Whatever the cause may be, the Stop 0x00000050 error message is alarming and should be fixed at the earliest as it indicates major system stability problems that can often lead to data loss and system corruption.
To fix and repair the Stop 0x0000005 error you don’t always have to hire an IT professional. In fact, fixing this error is quite easy and you can do it yourself regardless of whether you have a good know-how of computers or not.
So, let’s get started! Here are some the easy DIY solutions to fix the Stop 0x0000005 error:
Sometimes this error may occur due to a temporary issue like overheating of the computer components. When this happens all you need to do is switch off the computer and allow the components to cool down. Try starting up your computer after a couple of hours. If the blue screen of death does not occur again, then this means there is nothing to worry about and the problem is resolved.
However, if the error appears again on your screen, then you need to try something else to solve and fix this error on your PC. If the cause of the error is a faulty device driver, then it is advisable to disable and remove it. Try updating the latest version of the faulty device driver. Using updated software helps ensure your PC keeps running smoothly.
If the cause of the Stop 0x0000005 error code is your system's exposure to viruses and spyware, then you must immediately download a powerful antivirus program. After you download it, scan for viruses on your system. Once the scanning is complete, you will see a scan report showing viruses on your PC. Delete all of them and click on repair.
Furthermore, you can also add more RAM to prevent and fix the Stop 0x0000005 error message on your computer. This solution is suitable when you try to run a program on your PC and you get this error message.
chkdsk /f /r
The program can’t start because MSVCR71.dll is missing from your computer, Try reinstalling the program to fix this problem.If by any chance you have encountered this error know that you are not alone and that this is a solvable error. In this guide, we will show you how to fix this error. Usually, the MSVCR71.dll missing error is met when a new application is installed. So let us dive right into it and solve it.