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How to Fix Error Code 0xC004C020

Error Code 0xC004C020 (Code 0xC004C020) – What is it?

Error code 0xC004C020 (Code 0xC004C020) is an error that occurs when you attempt to activate a copy of Windows 7 with a key, but the key has already been activated multiple times. When receiving this error code, it means that you are trying to exceed the number of times that the Windows 7 key is allowed to be activated.

Common symptoms include:

  • Attempting to install Windows 7 with a key and a dialog box with the code 0xC004C020 is displayed.
  • The computer is unable to install Windows 7 with the key.
  • Certain features will refrain from working until the correct key has been entered.

Solution

Restoro box imageError Causes

Error Code 0xC004C020 occurs when you are not able to install Windows 7 using a previously purchased key code that has been installed numerous times previously on the same computer.

  • You are not able to use your previously used key to install Windows 7.
  • You have used the Windows 7 key the maximum number of times allowed.

Error code 0xC004C020 simply means that the Windows 7 code that you are trying to use to install Windows 7 has already been used the maximum number of times allowed, even when installing it on the same computer that it was previously used on. This would indicate that the key is what is known as a volume key- meaning that there is a cap on the number of uses.

Further Information and Manual Repair

Many people encounter this problem when they are doing software development or testing and need to reinstall Windows 7. Some people might also encounter this error code when installing Windows 7 with a key that was used too many times previously. It should be noted that there are several ways to fix this problem, but if nothing is working, you should contact a computer repair technician.

Method One

Activate by phone- the long method.

  1. Click the start button, right-click Computer, click Properties, and then click Activate Windows.  This will open Windows Activation.
  2. Click on “Show me other ways to activate”.
  3. Find and enter the Windows 7 key, then click Next.
  4. Click on “Use the automated phone system”. If you are prompted for an administrator password or a confirmation, confirm or type the password now.
  5. Select the location nearest to you and then click the Next button.
  6. There will be a list of available phone numbers, choose one and call it. There will be an automated system that will guide the activation process.
  7. Enter the installation ID when prompted, it will be listed on your computer screen.
  8. The phone system will give you a confirmation ID, write this down.
  9. Type this confirmation ID into the space that is provided by step 3. This will be in the activation dialogue. Then, click NEXT and follow the instruction.
  10. If this is not successful, stay on the line and be transferred to a customer service representative that will assist you.

Method Two

Activate by phone- this is a much simpler method.

  1. Click on Start, type: slui.exe 4 into the Search box
  2. Press Enter on the keyboard.
  3. Pick your country.
  4. Choose the Phone Activation option; stay on hold to speak with a customer service representative.

Method Three

Error code 0xC004C020 occurs if you have used your Windows 7 activation key on multiple computers, or multiple times on the same computer. You are not allowed to exceed the uses of the key—you should consider purchasing a new key if this is the case. A Windows 7 key is available for purchase online through the Microsoft website, in the shop section. The new product key must then be activated within 30 days, or it becomes no longer valid. It can be activated online or through the telephone.

If it is not activated on time, features will stop working until the new key has been activated. This should be the last resort method, as you should not have to purchase a new Windows 7 key code if it is not necessary. If you wish to always have at your disposal a utility tool to fix these Windows 10 and other related issues when they do arise, download and install a powerful automated tool.

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Technical Details and Manual Removal (Advanced Users)

If you wish to manually get rid of iWin Games without the use of an automated tool, it might be possible to do so by removing the program from the Windows Add/Remove Programs menu, or in cases of browser extensions, going to the browsers AddOn/Extension manager and uninstalling it. You may even want to reset your home page and search providers, and also delete browsing history, temporary files, and cookies. Lastly, examine your hard drive for all of the following and clean your computer registry manually to get rid of leftover application entries after uninstalls. Please be aware that this is for advanced users only and could be difficult, with wrong file removal causing additional PC errors. Moreover, certain malware is capable of replicating or preventing removal. You’re suggested to do this process in Safe Mode.
Files: C:DOCUME1USER1LOCALS1Tempnsu1.tmp C:e8bfb44ebc51cebadf4410cb35e993837a67e31b69a243ebac9de76160c97ac6 C:DOCUME1USER1LOCALS1Tempnsu2.tmp C:DOCUME1USER1LOCALS1Tempnsu2.tmpSystem.dll C:DOCUME1USER1LOCALS1Tempnsu2.tmpftdownload.dat C:e8bfb44ebc51cebadf4410cb35e993837a67e31b69a243ebac9de76160c97ac6 C:DOCUME1USER1LOCALS1Tempnsu2.tmpSystem.dll C:DOCUME1USER1LOCALS1Tempnsu2.tmpftdownload.dat C:DOCUME1USER1LOCALS1Tempnsu2.tmp C:DOCUME1USER1LOCALS1Tempnsu1.tmp C:DOCUME1USER1LOCALS1Tempnsu2.tmp C:DOCUME1USER1LOCALS1Tempnsu2.tmpftdownload.dat C:DOCUME1USER1LOCALS1Tempnsu2.tmpSystem.dll Directory %COMMONAPPDATAiWin Games. Directory %LOCALSETTINGSTempiWinGames. Directory %PROGRAMFILESiWin Games. Directory %PROGRAMSiWin Games. Registry: Key HKEY_CLASSES_ROOT named iWinGamesInstaller.CoInServ.1 Key HKEY_CLASSES_ROOT named iWinGamesInstaller.CoInServ Key 495874FE-4A82-4AD1-9476-0B957E0B95EB at HKEY_CLASSES_ROOTTypeLib. Key 4B55700F-DB51-4891-8B28-6136A48A0105 at HKEY_CLASSES_ROOTAppID. Key 4B55700F-DB51-4891-8B28-6136A48A0105 at HKEY_CLASSES_ROOTCLSID. Key CA5E2E62-8612-4942-84A0-A94090D166AA at HKEY_CLASSES_ROOTInterface. Key E3ED53C5-7AD5-4DF5-9734-AFB6E7E5D9DB at HKEY_CLASSES_ROOTInterface. Key 4301AEBD288588A40833184CFEC0AF92 at HKEY_CLASSES_ROOTInstallerFeatures. Key 4301AEBD288588A40833184CFEC0AF92 at HKEY_CLASSES_ROOTInstallerProducts. Key 80F08842F9EA1BE4BA4922DA74CDB698 at HKEY_CLASSES_ROOTInstallerUpgradeCodes. Key ForseRemove at HKEY_CLASSES_ROOTAppID. Key iWinArcade at HKEY_CURRENT_USERSoftware. Key iWinArcade at HKEY_LOCAL_MACHINESOFTWARE. Key iWinGamesInstaller.EXE at HKEY_CLASSES_ROOTAppID. Key iWinGamesInstaller at HKEY_LOCAL_MACHINESYSTEMControlSet001Services. Key iWinGamesInstaller at HKEY_LOCAL_MACHINESYSTEMControlSet002Services. Key iWinGamesInstaller at HKEY_LOCAL_MACHINESYSTEMControlSet003Services. Value %PROGRAMFILESiWin GamesiWinGames.exe at HKEY_LOCAL_MACHINESYSTEMControlSet001ServicesSharedAccessParametersFirewallPolicyStandardProfileAuthorizedApplicationsList. Value %PROGRAMFILESiWin GamesWebUpdater.exe at HKEY_LOCAL_MACHINESYSTEMControlSet001ServicesSharedAccessParametersFirewallPolicyStandardProfileAuthorizedApplicationsList.
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After putting your PC in a Clean Boot State, try creating a system restore point and see if the problem still occurs. Clean Boot troubleshooting is designed to help you isolate the problem. For you to execute a clean boot troubleshooting, you must do a couple of actions (the steps are given above) and then restart your PC after every action. You might have to disable one third-party app after the other to really isolate the issue. And once you’ve narrowed down the problem, you can either disable the third-party app that’s causing the problem or remove it. Note that you must switch your PC back into the Normal Startup mode after you’re done troubleshooting the problem. Here’s how you can do it:
  • From the “Start” menu, go to System Configuration.
  • After that, switch to the General tab and click the option for “Normal Startup”.
  • Next, go to the Services tab and clear the checkbox for “Hide all Microsoft services”.
  • Then find and click “Enable all” and if prompted, you have to confirm.
  • Afterward, go to the Task Manager and enable all the Startup programs and confirm the action.
  • Restart your PC when prompted.
Once you have identified the program causing the problem, uninstall it right away from your Control Panel.

Option 3 – Perform an SFC scan

The SFC or System File Checker scan could detect and automatically repair damaged system files that could be causing the win32kfull.sys error. SFC is a built-in command utility that helps in restoring corrupted files as well as missing files. It replaces bad and corrupted system files to good system files. To run the SFC command, follow the steps given below.
  • Tap Win + R to launch Run.
  • Type in cmd in the field and tap Enter.
  • After opening Command Prompt, type in sfc /scannow
The command will start a system scan which will take a few whiles before it finishes. Once it’s done, you could get the following results:
  1. Windows Resource Protection did not find any integrity violations.
  2. Windows Resource Protection found corrupt files and successfully repaired them.
  3. Windows Resource Protection found corrupt files but was unable to fix some of them.
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Fix PNP_DETECTED_FATAL_ERROR in Windows
If you suddenly encounter a PNP_DETECTED_FATAL_ERROR Blue Screen error, then this post can help you out. The PNP_DETECTED_FATAL_ERROR BSOD usually occurs when any new hardware that is mostly the Plug and Play type is attached. In such cases, when the device is plugged, and the driver for that device crashes or isn’t found or is not compatible, you will most likely encounter this particular BSOD error. There are several error codes that come under this category, some of them are 0x000000CA (0x01681690, 0xEA96A7BE, 0x938A81AD, 0xF8362881. This BSOD error can also occur at any time. However, the only constant thing here is when you plug a PNP device like earphones, microphones, USB drives, and many more. The PNP_DETECTED_FATAL_ERROR bug check has a value of 0x000000CA which indicates that the Plug and Play Manager encountered some severe error which is most likely have something to do with a problematic Plug and Play driver. To fix this error, here are some possible solutions that could help.

Option 1 – Run the Blue Screen Troubleshooter

The Blue Screen troubleshooter is a built-in tool in Windows 10 that helps users in fixing BSOD errors like PNP_DETECTED_FATAL_ERROR Blue Screen error. It can be found on the Settings Troubleshooters page. To use it, refer to these steps:
  • Tap the Win + I keys to open the Settings panel.
  • Then go to Update & Security > Troubleshoot.
  • From there, look for the option called “Blue Screen” on your right-hand side and then click the “Run the troubleshooter” button to run the Blue Screen Troubleshooter and then follow the next on-screen options. Note that you might have to boot your PC into Safe Mode.

Option 2 – Try disabling or removing newly installed hardware

In this option, you will have to disable or remove the hardware you’ve just installed recently since external devices could be the one that’s causing the Blue Screen of Death error to appear. To do that, just disconnect any external device that’s connected to your computer physically and then check if it fixes the PNP_DETECTED_FATAL_ERROR Blue Screen error.

Option 3 – Try disabling BIOS Memory options namely Caching Shadowing

Disabling the BIOS Memory options such as Caching and Shadowing can help you in fixing the PNP_DETECTED_FATAL_ERROR Blue Screen error. All you have to do is enter the BIOS first and then use the Arrow and Enter keys to select your choices. And if you can’t seem to find it, look for specific instructions from your OEM or you could also look out for instructions from the manufacturer of your motherboard.

Option 4 – Try to run the CHKDSK utility

Running the CHKDSK utility might also help you resolve the PNP_DETECTED_FATAL_ERROR Blue Screen error. If your hard drive has issues with integrity, the update will really fail as the system will think that it’s not healthy and that’s where the CHKDSK utility comes in. The CHKDSK utility repairs hard drive errors that might be causing the problem.
  • Open Command Prompt with admin privileges.
  • After opening Command Prompt, execute the following command and hit Enter:
chkdsk /f /r
  • Wait for the process to be completed and then restart your computer.

Option 5 – Try to uninstall programs you’ve installed recently

Chances are, some programs that you just installed might be the one that’s causing the BSOD error. Thus, you need to uninstall the program to resolve the problem.
  • In the search box, type in “control” and then click on Control Panel (desktop app) among the search results.
  • After that, select Programs and Features from the list which will give you a list of all the programs installed on your computer.
  • From there, look for the concerned program and select it and then uninstall it.

Option 6 – Update the Device drivers

  • Tap the Win + R keys to launch Run.
  • Type in devmgmt.msc into the box and tap Enter or click OK to open the Device Manager.
  • After that, a list of device drivers will be displayed. Look for the device driver you and then select either “Update driver” or “Uninstall device”. And if you find any “Unknown device”, you need to update it as well.
  • Select the “Search automatically for updated driver software” option and then follow the instructions to complete the process.
  • If you have chosen to uninstall the driver, follow the screen options to complete the process and then restart your PC.
  • Connect the device and Scan for hardware changes – you can see this option under Device Manager > Action.

Option 7 – Perform a System Restore

Performing System Restore might help you in fixing the PNP_DETECTED_FATAL_ERROR Blue Screen error. You can do this option either by booting into Safe Mode or in System Restore. If you are already in the Advanced Startup Options, just directly select System Restore and proceed with the next steps. And if you have just booted your PC into Safe Mode, refer to the steps below.
  • Tap the Win + R keys to open the Run dialog box.
  • After that, type in “sysdm.cpl” in the field and tap Enter.
  • Next, go to the System Protection tab then click the System Restore button. This will open a new window where you have to select your preferred System Restore point.
  • After that, follow the on-screen instructions to finish the process and then restart your computer and check if the problem is fixed or not.
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An Easy Guide to Repairing Error Code 0x000000A5

0x000000A5 - What is this Error Code?

0x000000A5 is a stop error code also referred to as a blue screen of death error code. It is related to Advanced Configuration and Power Interface basic input/output system in Windows. It often leads to a sudden system shut down or your system may restart unexpectedly. Blue error codes like 0x000000A5 are the most severe and dangerous types of errors Windows can encounter. Ignoring 0x000000A5 error pop-ups and not repairing it timely can result in system crashes, valuable data loss and system failure.

Solution

Restoro box imageError Causes

The 0x000000A5 error code occurs particularly because of the ACPI BIOS error. This error message on your computer screen indicates that the Advanced Configuration and Power Interface (ACPI) BIOS of the computer is not compatible with your Windows system and is not fully compliant with the ACPI specifications. BIOS is a set of software. Through this software, the operating system communicates with the computer’s hardware devices. The ACPI is a part of BIOS and the Windows operating system. It is the standard for the way BIOS works. The presence of ACPI in the BIOS on a given Windows system determines whether the system can make full use of features such as Power Management or Plug and Play. Here’s what happens: traditionally, ACPI BIOS implementation tries to manipulate hardware resources directly through BIOS code for hardware functionality nonetheless if the ACPI-based BIOS is not compliant with the ACPI standard on your system, it may not support workable communication between the operating system and the hardware. This results in imbalance as the operations cannot be synchronized which results in system shut down, system instability, and machine failure. As a warning stop error 0x0000000A5 is displayed on the screen.

Further Information and Manual Repair

To fix the error message 0x0000005A on your PC you don’t need any professional assistance. Solving such blue screen errors in just a couple of clicks is not possible with Restoro This is a multi-functional and feature-filled registry cleaner and system optimizer that helps PC users resolve practically every type of system instability issues and registry errors including BSoD errors like 0x000000A5. It offers a comprehensive suite of utilities including registry cleaning, privacy issue detection and repair, system stability error identification, and Active X and Class issues detection. This innovative and advanced PC fixer is designed to ensure and deliver optimum system performance. It scans and detects causes for 0x000000A5 error code and repairs them in seconds. It has a neat and intuitive layout and easy navigation which makes this repair tool extremely user-friendly. Users of all levels are it novice or experienced can use it with ease and fix all types of PC-related errors like 0x000000A5 right away with no hassle. ACPI BIOS Error can be quickly resolved with this tool. This error tool offers outstanding compatibility. It is practically compatible with all Windows versions.

Restoro download

To get started all you have to do is click here to install the Restoro on your computer. Once it is installed, run it to scan for 0x000000A5 error code. After scanning is complete, click the repair button to repair this issue immediately. For user safety and data security, Restoro also creates backup files. This ensures that no valuable data is lost during system repair. So, don’t delay in resolving error 0x000000A5 error code; install Restoro on your system today!
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Fixing the Port in use, please wait
Recently, a number of Windows 10 users reported an issue wherein they try to print from their PCs but were unable to and got an error message instead that states, “Port in use, please wait”. However, no matter how long they waited, nothing changed and they were still unable to print from their computers. On the other hand, when some of the users attempted to print wirelessly from their mobile devices, the printing continues which indicates that there is some issue between the computer and the printer. So if you are one of the users who are currently facing this problem, then this post should help. To fix this issue with your Printer, here are some possible fixes you can try that might work.

Option 1 – Run the Printer Troubleshooter

The first thing you can do to fix the “Port in use, please wait” error is to run the Printer Troubleshooter. This built-in troubleshooter in Windows 10 can help you fix most print issues. It checks if you have the latest printer drivers and then tries to fix and update them automatically. Aside from that, it also checks if you have connectivity issues or if the Print Spooler and the required Services are running fine. To run it, follow the steps below.
  • Tap the Win + R keys to open the Run dialog box.
  • Next, type “msdt.exe /id PrinterDiagnostic” in the field and click OK or hit Enter to open the Printer Troubleshooter.
  • Then click the Next button and follow the next on-screen instructions to fix the issue with the printer.

Option 2 – Try updating the Printer drivers

You might also want to try updating your printer drivers. All you have to do is locate the USB Composite Device. For complete details, follow the steps below.
  • First, click the Start button and type “device manager”.
  • Then click on the “Device Manager” from the search results to open it.
  • From there, look for the USB Composite Device option and right-click on it, and select the Update Driver from the options.
  • Restart your PC and then click the “Search automatically for updated driver software” option.
Note: You also have the option to download the latest version of your Printer from the manufacturer’s website.

Option 3 – Try selecting the correct port for your Printer

If the first two options given above didn’t work, then maybe it’s time to select a correct port for your printer since the wrong port has been selected which is why you’re getting the “Port in use, please wait” error.
  • Open “Devices and Printers” from the Start search.
  • Next, look for your printer from the list of devices and right-click on it, and then select Printer Properties.
  • Now go to the Ports tab under the newly opened Properties window and make sure that the port type matches the connection on the list of ports currently in use.
Note: If your printer is using a USB connection then the port should have a USB or DOT 4 in its description but if your printer is using a network connection then it should have the following description:
  • WSD
  • Network
  • IP
And if you notice that there are several listings for the same type of port, you have to change the selection to a different one and then click the OK button to save the changes made.
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How to Repair Error Code 0xC190010, 0x30018 in Windows 10

Error Code 0xC1900101, 0x30018? - What is it?

Users, when upgrading to Windows 10 from Windows 7 or Windows 8/8.1, or when upgrading to a new version, build, service pack, or major update of Windows 10, can encounter error code 0xC1900101, 0x30018. Windows 10 installation fails and stops or hangs. During the installation process, it will reach a certain maximum limit (normally at 6% or 32%) then reverts back to the previous version of the operating system and displays the following message:

We couldn’t install Windows 10. We’ve set your PC back to the way it was right before you started installing Windows 10.

0xC1900101 – 0x30018 The installation failed in the FIRST_BOOT phase with the error during the SYSPREP operation.

Solution

Restoro box imageError Causes

In attempting to fix Error Code 0xC1900101-0x30018, it is vital to know what causes this issue. The most probable causes of this error are:

  • Incompatible hardware or driver
  • Incompatible security programs or antivirus or incompatible utility software
  • A device driver possibly stopped responding to setup.exe while on the installation process.
In some cases, you might be opened to other error messages when attempting to update to Windows 10, including error code 8007002c.

Further Information and Manual Repair

In fixing issues related to error codes, it is best to employ manual repair methods. Using these methods helps users pinpoint the root causes of the issue and apply solutions permanently to fix the issues. While most manual repair methods can be done by every Windows user, even those without technical abilities, there are certain cases where help from a Windows professional is needed. If you’re not up to facing risks in implementing manual methods yourself, consider getting help from a professional Windows technician or you can use a powerful automated tool. In fixing Error Code 0xC1900101-0x30018, you can repeat the same steps used for 0xc000021a (Method One) or you can try doing the following:
  • Disable or uninstall your Antivirus program before proceeding to upgrade the system
  • Ensure that the machine name is simple (having at least 8 characters) with no special characters like hyphens or dashes.
  • Restart the device a few times then try again.
  • Disable General USB Devices such as the Smart Card Reader.
  • If you use an SCSI hard disk, ensure that you have available drivers you can use for your storage such as a thumb drive and make sure that it is connected. During the Windows 10 setup, select the Custom Advanced Option and use the Load Driver command to be able to load the suitable driver for the SCSI drive. If this fails, try switching to an IDE-based hard disk.
  • You can now perform a clean boot. Restart your device then try again.
  • If you are using the .ISO file for upgrading the system, you need to disconnect from the Internet first before proceeding to the setup. If you are connected to Wi-Fi or by Ethernet (LAN), make sure to disable both connections then you can proceed to set up again.
  • If you’re performing the update through Windows Update, once the download reaches 100%, disconnect from the Internet, and then proceed with the installation.

NOTE: If this fails, if possible, you can try using the .ISO file in upgrading.

  • Switch to a local account if the device is connected to a domain.
  • Disconnect all external devices attached to the computer such as gaming controllers, printers, or USB keys.

If you’re using Windows Update in installing Windows 10, you can implement the following:

  1. Open the Command Prompt window by pressing Windows Key + X. Select Command Prompt (Admin) from the menu.
  2. Stop the BITS, Cryptographic, MSI Installer, and the Windows Update Services. In order to do this, Type or Copy and Paste the following commands one at a time:

NOTE: Don’t forget to hit Enter after every command.

net stop wuauserv

net stop cryptSvc

net stop bits

net stop msiserver

  1. Rename the Catroot2 and SoftwareDistribution In order to do this, Type or Copy and Paste the following commands one at a time:

NOTE: Don’t forget to hit Enter after every command.

                        ren

C:WindowsSoftwareDistribution SoftwareDistribution.old

                          ren

C:WindowsSystem32catroot2 Catroot2.old

  1. Restart the BITS, Cryptographic, MSI Installer, and the Windows Update Services. In order to do this, Type or Copy and Paste the following commands one at a time:

NOTE: Don’t forget to hit Enter after every command.

net start wuauserv

net start cryptSvc

net start bits

net start msiserver

  1. Type Exit in the Command Prompt then close the Command Prompt window then restart the computer.
Can’t seem to put up with the long and technical manual repair process? You can still fix this error by downloading and installing a powerful automated tool that will surely get the job done in a jiffy!
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