If you encounter an error message that states, “Your computer has lost the lease to its IP Address <IP ADDRESS> on the Network Card with network address <NETWORK ADDRESS>”, then this post might be of help to you. This kind of error due to the timeout caused by the DHCPv6 address which is used to connect the client to the user network as an independent client or a part of a domain.
There are a lot of potential fixes you can try to fix this error and we will be discussing each one of them below. You can try to reboot your router, flush the DNS cache, reset the Network adapter, toggle the DHCPv6 Lease time or disable IPv6 in the Network Center. For more details, refer to the following options.
The first thing you can try to do to fix the error is to simply restart your router. All you need to do is reboot the router from its Admin panel or you can also turn it off manually and turn it back on after a couple of seconds so that it can completely reboot. Once you’re done, try accessing your server again and see if the error is now fixed.
You could also try to flush the DNS configuration in your computer to fix the error. How? Refer to these steps:
One the other hand, you could also try to reset Winsock as well as the TCP/IP.
Once done, just exit the Command Prompt and check if that fixes your issue.
You may want to reset Winsock & reset TCP/IP as well.
To run the Network Troubleshooter, refer to these steps:
You can also try to perform a Network Reset to resolve the problem. This will reset the entire network configuration including your IP address. To perform Network Reset, follow these steps:

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Error Causes
Probably tired of even trying to hide it, Steam has released that this year's big Steam Winter sale is officially starting on December 22nd, 2021, and closing on January 5th, 2022. So if you have someone to buy a gift or just want to drop a few great games in your library at a low price this is the time when you should do it. Error code 0xC1900101, 0x20017 in Windows 10 occurs when Windows users attempt to upgrade to Windows 10 but fail to complete the installation process. This Windows error code may occur due to issues with a third-party antivirus program or problems related to a driver or hardware. When this occurs users will receive an error message and their machine will automatically revert to the original operating system on the device. Common symptoms of the error code include the following:
Error CausesTo fix this particular error code affecting Windows 10 devices, you will need to employ at least one manual repair method mentioned within this article. Manual repair methods offer effective solutions as they seek to address the root causes related to Windows error codes. When the manual repair methods are implemented correctly, users are usually able to quickly overcome issues that cause Windows error codes and can thereafter access all the benefits Windows has to offer to its users.
Note, however, that in a few cases where technical skills are required, the need for a Windows repair technician may present itself. In such a case, resort to Windows forums and other resources to access help from a certified Windows professional. Also, consider using an automated tool where necessary.
Some third-party security programs or antivirus software may interfere with the installation process when Windows users attempt to upgrade to Windows 10. To verify if this is the issue causing error code 0xC1900101-0x20017 on your device, temporarily uninstall or disable these applications. You may easily do so by checking the settings of these programs or visiting Settings within the Windows Start Menu.
Once you have disabled these programs on your device, reboot your machine and attempt to update to Windows 10. If the issue was caused by a third-party app, error code 0xC1900101-0x20017 will no longer occur and your machine will successfully upgrade to the version of Windows 10 you attempt to download.
However, in the case where error code 0xC1900101-0x20017 in Windows 10 reoccurs during the installation process, you will need to resort to another manual repair method listed below.
Like method one, this manual repair method can be effective in combating issues related to 0xC1900101-0x20017. This is of course, dependent on whether or not the error code is due to an incompatible security program.
Temporarily disable your firewall by adjusting its settings. Once this step is complete, reboot your machine and attempt to install the latest version of Windows 10. If you are able to complete the process, this means the problem was due to an issue with your firewall. You can then enable the firewall you previously disabled or download another program as its replacement.
If the error code reoccurs, however, consider implementing the next manual repair method on this list.
Command Prompt can be very effective in helping regular as well as technically skilled users repair issues with their PC. In the case of error code 0xC1900101-0x20017 in Windows 10, access Command Prompt using the following instructions.
Be sure to enter the command as it is written above, with a space between “sfc” and “/scannow”. Wait until the scan is complete. If there are any errors related to system files, i.e. if any system files are damaged, corrupted, or missing, your machine will begin to fix it. Once the process is complete, reboot your PC then reattempt the Windows 10 upgrade process via Windows Update. If you are successful, it means that you have rectified error code 0xC1900101-0x20017. Otherwise, you may need to contact a Windows repair technician.
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.
“Your PC can’t project to another screen, Try reinstalling the driver or using a different video card.”This error could be due to loosely connected hardware or the display adapter. It is also possible that a recent Windows Update has messed up its settings. To resolve this issue, you can try several suggestions that will be given in this post. You can try to check the hardware cable connections or run the Hardware and Devices troubleshooter. You could also update or reinstall the display adapters or replace the graphics card.
FormFetcherPro.com is a Browser Extension for Google Chrome developed by Mindspark Inc. This extension offers users quick and easy access to various forms required for visas and other documents. While this may seem appealing, all this extension does is point you to the most popular websites online that can easily be found by searching. When installed it hijacks your new tab page and changes it to search.myway.com, enabling it to better target ads.
While browsing the internet with this extension enabled you will see additional sponsored content, additional ads, and sometimes even pop-up ads displaying throughout your browsing sessions. Several anti-virus programs have marked this extension as Potentially Unwanted and as a Browser Hijacker and are therefore recommended to remove it from your computer.
PC Performer is a registry cleaner made by PerformerSoft. The purpose of this program is to remove redundant items from the Windows registry. Registry cleaners remove broken links, missing references within the Windows registry. PC performer is designed to automatically optimize your registry and clean it up.
PC Performer adds registry entries for the current user that allow it to run automatically each time the system is rebooted. It adds a scheduled task to Windows Task Scheduler in order to run at various times. The software connects to the internet, therefore it creates a Windows Firewall exception that allows it to connect without interference. Multiple anti-virus programs detected this software as Malware, it typically comes bundled with other software or is distributed through a pay-per-install bundle.