How to Fix Error 0x800CCC90

Error 0x800CCC90 - What is it?

Error 0x800CCC90 is a typical Outlook error. This error indicates that Outlook has failed to connect to the mail server that handles and manages the incoming and outgoing emails. The error message is displayed in the following format:

“There was a problem logging onto your mail server. Your User Name was rejected.”

This error limits your ability to send and receive emails on Outlook. If you largely communicate at the workplace using your Outlook account, this error may slow down your work productivity and performance dramatically. Therefore it is advisable to fix it immediately.

Solution

Restoro box imageError Causes

The error 0x800CCC90 is triggered several reasons including but not limited to:

  • Authentication issues
  • Failure of POP 3 Server
  • PST File Corruption
  • Registry issues- Invalid Entries
  • Viral infection

Further Information and Manual Repair

To resolve error 0x800CCC90, try the methods given below:

Method 1 - Adjust the Authentication Settings

To resolve the error 0x800CCC90, adjust the authentication settings. Here’s what you need to do:

  • First, go to the ‘Tools’ tab and select the ‘Accounts’ option.
  • Once you select the account option, an internet accounts box will appear on the computer screen.
  • Simply double click on the account property box after that go to the server tab and click on it.
  • Check the box that says ‘My Server Requires Authentication’.
  • Click on apply to accept changes tab to save changes and close the window.
  • To activate changes made, restart Outlook and then try sending emails again.

Method 2 - Download a PST Repair Tool

If the error is triggered by PST file corruption, then the best way to resolve it is to download the PST repair tool. Download the PST repair tool from a trusted website. Run it on your system to fix PST file issues and resolve error 0x800CCC90.

Method 3 - Scan for Viruses

Another way to resolve this error is to scan for viruses. Viruses usually enter computer systems through phishing emails or while downloading attachments.

You may not know this but viruses may be affecting your PC. Due to viruses, errors like error 0x800CCC90 can also be triggered. Therefore install an antivirus to scan and remove errors on your PC.

Method 4 - Clean the Registry and Remove Invalid Entries

Due to poor PC maintenance, misconfigured and invalid registry entries may be stored in the registry. Such entries may lead to Outlook errors too. Thus to resolve you must clean the registry and remove these entries right away. Download a registry cleaner to fix the error.

Whether the error is triggered by viral infection or registry issues, it is recommended you download only Restoro. This is the one-stop solution to resolve all PC related errors. This software is deployed with 6 scanners including a registry cleaner, an antivirus, and a system optimizer.

It is user-friendly and has simple navigation. It is compatible with all Windows versions. In just a few clicks this software resolves practically all types of PC-related errors including error 0x800CCC90.

Click here to download Restoro today!

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Error Code 0x80070004 on Windows 10 – What Is It?

Some users trying to upgrade from Windows 7 or Windows 8/8.1 reported experiencing installation rollback with error code 0x80070004. This error normally appears when the Computer Name is set to names that can’t be used for the computer. It’s also possible this error occurs if users or program files folder were redirected to a different partition.

Solution

Restoro box imageError Causes

The Error code 0x80070004 on Windows 10 is normally caused if any of the following were used as the Computer Name and the user tried to upgrade to Windows 10:

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Further Information and Manual Repair

If you don’t solve this error, you won’t be able to upgrade from Windows 7 or Windows 8/8.1 to Windows 10. Note that this error will continuously bring you back to the original OS unless fixed.

Please note that if you’re not confident in doing these steps, you might want to consider seeking the help of an expert or using an automated tool that will help fix this.

Here are a few methods to try.

Method 1: Check and Change the Computer Name

The most common cause of this error is if your computer uses any of the following reserved names:

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Changing Computer Name in Windows 8.1

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Changing Computer Name in Windows 7

If you’re trying to upgrade from Windows, you can follow the steps below to change the name of your computer.

  • Step 1: Go to the Start menu then on the Computer section, right-click the mouse and choose “Properties”.
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  • Step 3: Find the “Computer Name” tab then click “Change”
  • Step 4: Change the computer name and click Ok.

Method 2: Fix the “Users” directory issue

If the first method doesn't work, it probably means the computer name isn’t the cause of this error. Another reason why users experience Error code 0x80070004 when upgrading to Windows 10 is if the “Users” directory was relocated. So, when you try upgrading to Windows 10, the installer wasn’t able to find the user profiles on the “%systemdrive%”, where the current operating system is installed.

If you changed or moved any of the Users, Program Data, or Program Files folders, this will cause the error. Before you upgrade to Windows 10, you might be required to reset or reinstall your current operating system (Windows 7 or Windows 8.1).

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Method 3: Try a trusted and secured Automated Tool

If the above methods still not useful, you might want to rely on an automated tool. Find a secured and trusted tool. It will help fix this issue.

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About Potentially Unwanted Applications

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What do PUPs do on your computer, exactly?

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Ways to avoid PUPs

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What you can do if Malware Prevents You From Downloading Or Installing Antivirus?

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Install in Safe Mode

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Switch to an alternate browser

Some malware may target vulnerabilities of a specific browser that block the downloading process. If you seem to have malware attached to Internet Explorer, then switch over to an alternate web browser with built-in safety features, such as Firefox or Chrome, to download your favorite antivirus program – Safebytes.

Install and run anti-virus from the USB drive

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Technical Details and Manual Removal (Advanced Users)

If you wish to manually remove PCOptimizerPro without the use of an automated tool, it may 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 removing it. You will likely also want to reset your browser. To ensure the complete removal, manually check your hard drive and registry for all of the following and remove or reset the values accordingly. Please note that this is for advanced users only and may be difficult, with incorrect file removal causing additional PC errors. In addition, some malware is capable of replicating or preventing deletion. Doing this in Safe Mode is advised.

The following files, folders, and registry entries are created or modified by PCOptimizerPro

Files: DesktopPC Optimizer Pro.lnk. %Programs%PC Optimizer ProLive Support.url. %Programs%PC Optimizer ProPC Optimizer Pro.lnk. %Programs%PC Optimizer ProUninstallation Guide.url. %Programs%PC Optimizer ProVisit Website.url. %ProgramFiles%PC Optimizer ProPCOptimizerPro.exe. %ProgramFiles%PC Optimizer ProPCOptProCtxMenu.dll. %ProgramFiles%PC Optimizer ProPCOptProTrays.exe. %ProgramFiles%PC Optimizer ProStartApps.exe. %ProgramFiles%PC Optimizer Prouninst.exe. %QuickLaunch%PC Optimizer Pro.lnk. WindowsTasksPC Optimizer Pro Idle.job. WindowsTasksPC Optimizer Pro Scan.job. WindowsTasksPC Optimizer Pro startups.job. WindowsTasksPC Optimizer Pro Updates.job. C:DOCUME1USER1LOCALS1Tempoptprosetup.exe C:WINDOWSsystem32netmsg.dll C:DOCUME1USER1LOCALS1Tempoptprosetup.exe C:DOCUME1USER1LOCALS1Tempis-SJGJ9.tmpoptprosetup.tmp C:DOCUME1USER1LOCALS1Tempis-NTRVH.tmp_isetup_shfoldr.dll C:WINDOWSsystem32shfolder.dll C:DOCUME1USER1LOCALS1Tempis-NTRVH.tmpOptProHelper.dll C:DOCUME1USER1LOCALS1Tempis-NTRVH.tmpitdownload.dll C:1e4e2d65e12311cac2c0eeb8c5c1d7bd1ddc865b367b98b56bc2330bf18436 C:WINDOWSRegistrationR000000000007.clb C:DOCUME1USER1LOCALS1Tempoptprosetup.exe C:WINDOWSsystem32shfolder.dll C:1e4e2d65e12311cac2c0eeb8c5c1d7bd1ddc865b367b98b56bc2330bf18436 C:WINDOWSRegistrationR000000000007.clb C:WINDOWSsystem32shell32.dll C:DOCUME1USER1LOCALS1Tempis-SJGJ9.tmpoptprosetup.tmp C:Program FilesOptimizer Pro 3.99OptimizerPro.exe C:Program FilesOptimizer Pro 3.99unins000.exe C:Program FilesOptimizer Pro 3.99OptProStart.exe c:autoexec.bat C:DOCUME1USER1LOCALS1Tempoptprosetup.exe C:DOCUME1USER1LOCALS1Tempis-SJGJ9.tmpoptprosetup.tmp C:DOCUME1USER1LOCALS1Tempis-NTRVH.tmp_isetup_shfoldr.dll C:DOCUME1USER1LOCALS1Tempis-NTRVH.tmpOptProHelper.dll C:DOCUME1USER1LOCALS1Tempis-NTRVH.tmpitdownload.dll C:Program FilesOptimizer Pro 3.99is-BDCDJ.tmp C:Program FilesOptimizer Pro 3.99is-DB4S5.tmp C:Program FilesOptimizer Pro 3.99is-C16E7.tmp C:Program FilesOptimizer Pro 3.99is-QE691.tmp C:Program FilesOptimizer Pro 3.99is-GQ78C.tmp Registry: Key 003B9C22-6FE0-4BCA-A73F-9AA99B9BBDAA at HKEY_CLASSES_ROOTTypeLib. Key 12AB121E-44C6-488B-8773-B0AE25E662E1 at HKEY_CLASSES_ROOTInterface. Key 203ABD21-41F1-4F1B-BAE3-D6A89A90D239 at HKEY_CLASSES_ROOTCLSID. Key PC Optimizer Pro at HKEY_CURRENT_USERSoftware. Key PC Optimizer Pro at HKEY_LOCAL_MACHINESOFTWARE. Key PC Optimizer Pro at HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionUninstall. Key PCOptimizerPro.exe at HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionApp Paths. Key PCProCtxMenu at HKEY_CLASSES_ROOT*shellexContextMenuHandlers. Key PCProCtxMenu at HKEY_CLASSES_ROOTlnkfileshellexContextMenuHandlers.
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Option 1 – Try to power cycle the modem, router, and computer

  • Connect the modem, router, and the PC hard-wired and then switch all of these three devices off.
  • Turn on the modem and wait for 30 seconds.
  • Turn on the router and wait for 30 seconds as well.
  • Finally, turn on the computer and check if you can now successfully connect to the internet.

Option 2 – Check if your router or ISP is properly working

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Option 3 – Try changing your internet connection

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Option 4 – Try to run the Search and Indexing troubleshooter

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Option 5 – Try to remove Proxy

Removing the Proxy might also help you in fixing the connection issue in Cortana. Here’s how you can do it:
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  • Then type “inetcpl.cpl” in the field and hit Enter to pull up the Internet Properties.
  • After that, go to the Connections tab and select the LAN settings.
  • From there. Uncheck the “Use a Proxy Server” option for your LAN and then make sure that the “Automatically detect settings” option is checked.
  • Now click the OK and the Apply buttons.
  • Restart your PC.
Note: If you are using a third-party proxy service, you have to disable it.

Option 6 – Verify your Microsoft account

In some cases, Cortana might not be able to connect to the internet because your Microsoft account is no longer verified. This usually happens when you use a two-step authentication system with your Microsoft account. To verify it, just open Settings and click on Accounts. After that, check if you have a Verify hyperlink under your Microsoft account or not then click on Verify. Afterward, follow the next on-screen prompts to verify your Microsoft account. Once your account is verified, restart your computer.

Option 7 – Try resetting Cortana

  • Open Cortana and go to the Settings section where you’ll see the “Turning off Cortana clears what Cortana knows on this device, but won’t delete anything from the Notebook. After Cortana is off, you can decide what you’d like to do with anything still stored in the cloud” option. Turn this option off.
  • Restart your PC.
  • After your computer boots, launch Cortana again and check.

Option 8 – Try to reinstall Cortana

If none of the options given above works, you must consider reinstalling Cortana.
  • First, right-click on the Start button and click on the Windows Powershell (Admin) option from the list.
  • Next, type the following command and hit Enter to execute it:
Get-AppXPackage -Name Microsoft.Windows.Cortana | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)AppXManifest.xml"}
  • Restart your computer and check if Cortana is now able to connect.
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“An error occurred when unpacking, Unarc.dll returned error code -1, ERROR: archive data corrupted (decompression fails).”
If you encounter the isDone.dll error message on your Windows 10 computer, then read on as this post will show you how you can fix it. This error has something to do with the incomplete installation of PC games or files of larger size. The ISDone.dll error appears due to faulty Unarc.dll file residing in the System32 folder on 32-bit operating systems and the SysWOW64 folder on 64-bit systems. So, if you see this error message, then, it means your computer was not able to read installation archive files.

What is Unarc.dll file?

Unarc.dll is a dynamic link library for Windows. Some applications or games require this file to function properly. So, if it goes missing or, an error occurs when you start a game or an application, you may get various kinds of errors. ISDone.dll error while playing games on PC

Option 1 – Try to reinstall the game

The isDone.dll error could also be caused by the installation of an unknown application. Or it could also be caused by an outdated or corrupted application. In other words, if the game you are trying to install is broken or corrupted, then it’s no wonder why you’re getting the isDone.dll error. To fix this, make sure that you download the latest updated version of the game and then try to install it again and see if the problem is resolved or not.

Option 2 – Try to re-register the .dll file using the Regsvr32 tool

  • The first thing you have to do is to locate the DLL file named dll on your computer and rename it to Unarc-bak.dll.
  • Next, copy the Unarc.dll file from another well-functioning computer and save it on your desktop.
  • After that, move the DLL file you just copied to the System32 folder if you are using a 32-bit operating system, or the SysWOW64 folder if you are using a 64-bit operating system.
  • Now you have to register the new DLL file and you can do that using Windows PowerShell.
  • Open Windows PowerShell and then execute this command if you have placed the DLL file in the System32 folder: regsvr32 %systemroot%System32unarc.dll
  • On the other hand, if you have placed the DLL file in the SysWOW64 folder, then execute this command: regsvr32 %systemroot%SysWOW64unarc.dll
  • Once you’re done, a message will be displayed saying that the DLL file was registered.
  • Restart your computer and check if the problem is now fixed.

Option 3 – Troubleshoot the isDone.dll error in a Clean Boot State

You can also troubleshoot the isDone.dll error in a Clean Boot state. It could be that there are some third-party applications in your computer that're preventing the application from getting installed and to isolate this possibility, you need to boot your computer in a Clean Boot State and then try installing the program again. Putting your computer in this state can help you identify which program is the culprit and thus isolates the problem. In a Clean Boot state, your computer will start using only the pre-selected minimal set of drivers and startup programs. Note that you have to disable and enable one process at a time.
  • Log onto your PC as an administrator.
  • Type in MSConfig in the Start Search to open the System Configuration utility.
  • From there, go to the General tab and click “Selective startup”.
  • Clear the “Load Startup items” check box and make sure that the “Load System Services” and “Use Original boot configuration” options are checked.
  • Next, click the Services tab and select the “Hide All Microsoft Services” check box.
  • Click Disable all.
  • Click on Apply/OK and restart your PC. (This will put your PC into a Clean Boot State. And configure Windows to use the usual startup, just simply undo the changes.)
  • After you’ve set your computer into a Clean Boot State, make sure that you’re signed in as administrator and then try to install the application again.

Option 4 – Try updating or reinstalling your Graphics drivers

Updating or reinstalling the Graphics drivers in your computer can also help in resolving compatibility issues between the operating system and the driver that might have caused the isDone.dll error.
  • First, boot your computer into Safe Mode.
  • After that, 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. From there, look for the Display Adapters and click on them.
  • After that, right-click on each entry under the Display Adapters and select the “Uninstall Device” option from the menu.
  • Now restart your computer.
  • After restarting your computer, go to the Settings app and Check for Updates in the Windows Update section.
Note: You also have the option to go directly to the website of your graphics card manufacturers like NVIDIA, Intel, or AMD and go to the section called Drivers then check if there’s a new available update – if there is, download and install it.

Option 5 – Try scanning your computer using Windows Defender

The isDone.dll error might also be infected with malware or virus and to eliminate it, you have to scan your computer using security programs like Windows Defender.
  • Tap the Win + I keys to open Update & Security.
  • Then click on the Windows Security option and open Windows Defender Security Center.
  • Next, click on Virus & threat protection > Run a new advanced scan.
  • Now make sure that Full Scan is selected from the menu and then click the Scan Now button to get started.
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Quick Fix Guide for STOP 0x00000014 Error

What Is STOP 0x00000014 Error?

0x00000014 error is actually an error that is always displayed on a STOP message.

It is also known as Blue Screen of Death, abbreviated as BSOD. When this error occurs, the message that is displayed to the user either says ‘STOP: 0x00000014’ or states ‘CREATE_DELETE_LOCK_NOT_LOCKED’. It is crucial to fix this error to ensure your program is functioning appropriately. If this error message is not rectified, you might be opened to other error messages, such as error code 0x000000d1

Solution

Restoro box image Error Causes

As far as the causes of STOP 0x00000014 error are concerned, this error usually occurs when a device driver or hardware problem occurs. This error may also occur if users attempt to run some specific application or update or modify an existing application. When a 0x00000014 error occurs, the operating system restarts to disable the PC from performing any further.

Without taking into consideration the causes of its occurrence, it is crucial to make sure that the 0x00000014 error is fixed as soon as possible to eliminate any undesired inconvenience in the future.

Further Information and Manual Repair

A lot of times when an operating system tries to recover from the STOP 0x00000014 error, the user is prompted that Windows has recovered from an unexpected shutdown.

However, if Windows fails to recover on its own, manual repair has to be performed.

While there are several ways this error can be fixed, some of the most effective and efficient ways of troubleshooting the 0x00000014 error are listed below as follows.

  • Restart your computer. Often simply restarting the computer can help eliminate the problem.
  • If restarting the system doesn’t help, find if you have recently modified or altered any hardware or driver. It is possible that the 0x00000014 error has been caused by the recent modification. Undo the changes and find out if the error occurs again. If it doesn’t, it is highly likely the issue has been resolved.

However, if the error persists, some solutions that may work are outlined below.

  • Start your system using the Last Known Good Configuration. This will undo any changes in the driver and recent registry.
  • Another solution is to manually perform System Restore. This will also return the system back to its former state.
  • Another idea that my work is to use roll back the device driver. When the driver will return to its previous version, the problem will easily be resolved.

To keep the 0x00000014 error from occurring in the future, it is advised to unplug any newly installed hardware or reinstall any deleted software.

If you're not tech-savvy and wish to get this error code rectified in a jiffy, download a powerful automated tool and perform a computer scan.

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How to Fix Error 0x00000643

Error 0x00000643 - What is it?

This is a Windows Vista printer error. It occurs when you try to use the plug-and-play service to install a WSD printer on your PC. WSD is the abbreviation for Web Services for Devices. It is a Microsoft API to simply programming connections to web service enabled devices such as printers, file shares and scanners.  The error 0x00000643 code is displayed in the following format:
“Operation could not be completed (error 0x00000643)”

Solution

Restoro box imageError Causes

The error 0x00000643 may occur due to multiple reasons, including:
  • No suitable driver installed for your printer
  • A firewall or other security program is too restrictive
  • Registry file has invalid entries
  • Virus and Trojan
  • Outdated system drivers

Further Information and Manual Repair

To resolve this error code on your PC, you don’t have to hire a professional technician and spend hundreds of dollars to perform system repair. You can resolve it all by yourself, even if you are not a computer programmer or lack technical expertise. Here are some of the easiest and proven methods to fix the error 0x00000643 on your PC:

1. Update Outdated Drivers

This can be done by accessing the ‘Device Manager’. All you have to do is, go to the start menu and type Device Manager in the start search box. Then click on the Device Manager in the list. On the action menu, click the scan for hardware changes or update the driver.

2. Delete the WSD Port to Resolve Error

Go to the start menu and type printers in the search box. Click printers in the given program list and then click the option add a new printer. After that, select the existing WSD port and any printer driver. Now delete the printer. The WSD will be deleted automatically. Once this is done, connect the printer to your computer. You will see the plug-and-play service will begin to install the printer again. This process is most likely to resolve the issue and reinstall your printer.

3. Disable Firewall

Sometimes the error may occur if the security programs are too restrictive such as the Firewall. To fix the problem simply disable Firewall.

4. Viral Infection

If the underlying cause of the error is a viral infection, then download a powerful antivirus and run it on your PC. Scan for viruses and delete them.

5. Registry Invalid Entries

If you don’t clean the registry regularly, this overloads with unnecessary, redundant and obsolete files like cookies, internet history, junk files, bad registry keys and invalid entries. This damages the registry and generates such error codes. Although you can resolve and repair the registry manually, but that method is slight tricky and time consuming. It may require technical expertise. However, another quick and easy way to clean and restore the registry and resolve error 0x00000643 on your system is to download Restoro. This is a next-generation, advanced, and highly functional PC Repair Tool. It is deployed with an intuitive algorithm and multiple utilities such as a smart registry cleaner, a powerful antivirus, and a system optimizer. The registry cleaning utility detects all registry issues on your PC, removes invalid entries cluttering the registry, and repairs it right away thereby resolving error 0x00000643. The antivirus simultaneously detects malware on your PC and removes them while the system optimizer boosts the speed of your computer significantly. Restoro is bug-free, safe, and efficient. It has simple navigations and a user-friendly interface. This software is compatible with all Windows versions including Vista. To fix error 0x00000643 on your system in seconds, click here to download Restoro now!
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How to Fix Error 0x800CCC90

Error 0x800CCC90 - What is it?

Error 0x800CCC90 is a typical Outlook error. This error indicates that Outlook has failed to connect to the mail server that handles and manages the incoming and outgoing emails. The error message is displayed in the following format:

“There was a problem logging onto your mail server. Your User Name was rejected.”

This error limits your ability to send and receive emails on Outlook. If you largely communicate at the workplace using your Outlook account, this error may slow down your work productivity and performance dramatically. Therefore it is advisable to fix it immediately.

Solution

Restoro box imageError Causes

The error 0x800CCC90 is triggered several reasons including but not limited to:
  • Authentication issues
  • Failure of POP 3 Server
  • PST File Corruption
  • Registry issues- Invalid Entries
  • Viral infection

Further Information and Manual Repair

To resolve error 0x800CCC90, try the methods given below:

Method 1 - Adjust the Authentication Settings

To resolve the error 0x800CCC90, adjust the authentication settings. Here’s what you need to do:
  • First, go to the ‘Tools’ tab and select the ‘Accounts’ option.
  • Once you select the account option, an internet accounts box will appear on the computer screen.
  • Simply double click on the account property box after that go to the server tab and click on it.
  • Check the box that says ‘My Server Requires Authentication’.
  • Click on apply to accept changes tab to save changes and close the window.
  • To activate changes made, restart Outlook and then try sending emails again.

Method 2 - Download a PST Repair Tool

If the error is triggered by PST file corruption, then the best way to resolve it is to download the PST repair tool. Download the PST repair tool from a trusted website. Run it on your system to fix PST file issues and resolve error 0x800CCC90.

Method 3 - Scan for Viruses

Another way to resolve this error is to scan for viruses. Viruses usually enter computer systems through phishing emails or while downloading attachments. You may not know this but viruses may be affecting your PC. Due to viruses, errors like error 0x800CCC90 can also be triggered. Therefore install an antivirus to scan and remove errors on your PC.

Method 4 - Clean the Registry and Remove Invalid Entries

Due to poor PC maintenance, misconfigured and invalid registry entries may be stored in the registry. Such entries may lead to Outlook errors too. Thus to resolve you must clean the registry and remove these entries right away. Download a registry cleaner to fix the error. Whether the error is triggered by viral infection or registry issues, it is recommended you download only Restoro. This is the one-stop solution to resolve all PC related errors. This software is deployed with 6 scanners including a registry cleaner, an antivirus, and a system optimizer. It is user-friendly and has simple navigation. It is compatible with all Windows versions. In just a few clicks this software resolves practically all types of PC-related errors including error 0x800CCC90. Click here to download Restoro today!
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