How to Fix Error 1321 on Your PC

In recent times, some Windows 10 users have seen an error code BCM20702A0, when using Bluetooth and they are concerned as to what it is all about. We can say for certain that it has something to do with your Bluetooth driver. The error message in question is:

The drivers for this device are not installed. There are no compatible drivers for this device.

The problem here tends to no longer allow specific Bluetooth components to properly communicate with your Windows 10 operating system. It also affects laptops that do not have native Bluetooth support; therefore, the manufacturer installed a dongle on the inside to deliver the service. This is not the best way to do things because native support is always better. On the other hand, maybe you’re using a Broadcom USB Bluetooth dongle that is acting up, and as such, the error is showing. Below are solutions provided for this particular error and how to eliminate it.

1. Run the Bluetooth Troubleshooter

   Press ⊞ WINDOWS to open the menu and select settings In settings choose Update & Security Go to troubleshoot and on the right panel click on additional troubleshooters Click on Bluetooth Select Run the troubleshooter, then sit back and allow the tool to do its thing. Once you’ve completed the task, click on Apply this fix if any repairs are needed Reboot your computer

2. Install Broadcom driver from official website

   Windows drivers for Broadcom Bluetooth devices are no longer posted on their website. They should be available through Microsoft’s Windows Update service. If drivers were not downloaded automatically by Windows Update, use Device Manager to refresh the driver from Windows Update. However, the Broadcom Bluetooth drivers seem to be available here on the Lenovo website. To fix the BCM20702A0 driver error, you may download and install them. After downloading it, right-click on the downloaded item, and select Run as administrator. After installation, restart your computer, then check again if it works.

3. Remove all Bluetooth drivers and USB controllers

   If previous solutions did not work, go to device manager and remove all Bluetooth devices along with all USB controllers. Reboot your computer and Windows will automatically reinstall and set all devices.

Are you trying to update your Windows 11 OS and are receiving a 0x800f0905 error? Do not sweat and do not worry we have a couple of solutions that you can try in order to fix this issue. How this error is tied to various things like misconfigured settings, corrupt system files, and more there is no way to present one simple solution that will solve everything in one click.

Therefore we are presenting a couple of solutions that will fix your issue, it is advisable to follow them as presented since they will go from the most common to the more complex one.

Run the troubleshooter

The most common fix and one that will actually repair things most of the time is simply running the Windows Update troubleshooter.

1. Press ⊞ WINDOWS + I to open the Settings app
2. Click on System on the left
3. Click on Troubleshoot in the right part
4. Click on Other Troubleshooters
5. Find the Windows Update section and click on Run
6. Let troubleshooter finish

Reset Windows update components

If the previous solution did not work we will need to do things manually. Follow the steps as presented in order to reset Windows update components.

1. Press ⊞ WINDOWS + S to open search
2. Type in Terminal
3. Select Run as administrator
4. Click on Yes on the User account control (UAC) pop up
5. Press CTRL + SHIFT + 2 to open Command prompt
6. Inside command prompt type each line of a command followed by ENTER after each line:
   net stop bits
   net stop wuauserv
   Del “%ALLUSERSPROFILE%Application DataMicrosoftNetworkDownloaderqmgr*.dat”
   Ren %Systemroot%\SoftwareDistribution\DataStore DataStore.bak
   Ren %Systemroot%\SoftwareDistribution\Download Download.bak
   Ren %Systemroot%\System32\catroot2 catroot2.bak
   exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)
   sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)
   cd /d %windir%\system32
   regsvr32.exe atl.dll
   regsvr32.exe urlmon.dll
   regsvr32.exe mshtml.dll
   regsvr32.exe shdocvw.dll
   regsvr32.exe browseui.dll
   regsvr32.exe jscript.dll
   regsvr32.exe vbscript.dll
   regsvr32.exe scrrun.dll
   regsvr32.exe msxml.dll
   regsvr32.exe msxml3.dll
   regsvr32.exe msxml6.dll
   regsvr32.exe actxprxy.dll
   regsvr32.exe softpub.dll
   regsvr32.exe wintrust.dll
   regsvr32.exe dssenh.dll
   regsvr32.exe rsaenh.dll
   regsvr32.exe gpkcsp.dll
   regsvr32.exe sccbase.dll
   regsvr32.exe slbcsp.dll
   regsvr32.exe cryptdlg.dll
   regsvr32.exe oleaut32.dll
   regsvr32.exe ole32.dll
   regsvr32.exe shell32.dll
   regsvr32.exe initpki.dll
   regsvr32.exe wuapi.dll
   regsvr32.exe wuaueng.dll
   regsvr32.exe wuaueng1.dll
   regsvr32.exe wucltui.dll
   regsvr32.exe wups.dll
   regsvr32.exe wups2.dll
   regsvr32.exe wuweb.dll
   regsvr32.exe qmgr.dll
   regsvr32.exe qmgrprxy.dll
   regsvr32.exe wucltux.dll
   regsvr32.exe muweb.dll
   regsvr32.exe wuwebv.dll
   netsh winsock reset
   net start bits
   net start wuauserv

Well, that was a lot of typing or copy and pasting line by line followed by ENTER after each one but hopefully, your issue is solved. These provided solutions fixed most users' issues with this error but if for some reason this is not the case for you, move to the next step.

Run the SFC scan

If you are still having 0x800f0905 error after previous attempts do the following:

1. Press ⊞ WINDOWS + S to open search
2. Type in Terminal
3. Select Run as administrator
4. Click on Yes on the User account control (UAC) pop up
5. Press CTRL + SHIFT + 2 to open Command prompt
6. Type in sfc /scannow and press ENTER
7. Wait for the scan to finish
8. Reboot the computer

Perform a system restore

If for any reason previous solutions have not provided you with the solution we will try to fix the issue by performing system restore.

1. Press ⊞ WINDOWS + S to open search
2. In the text box type in Create a restore point
3. Click on the closest match in search results, should be Create a restore point
4. Click on System Restore or on Next if there are no points created
5. Choose to restore a point from the list and click on next
6. Review settings and click on Finish
7. Wait for the process to finish and for the computer to restart

Manually install update

If for any reason Windows still cannot install the update, try installing it manually.

1. Go to Windows 11 update history and find the Knowledge base (KB) number for the latest version
2. Go to the official Microsoft Update Catalog
3. Paste the KB number in the search box and press ENTER
4. Click on DOWNLOAD
5. Double click on the downloaded file to launch the installer
6. Follow on-screen instructions and install the update

Perform Windows 11 reset

If nothing worked, reset your Windows 11 to its factory settings to fully repair and reset the whole operating system.

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

Error 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.

So you just have turned your computer ON only to find out that your device which was working perfectly yesterday is not working anymore. This situation can be very stressful and disappointing but do not despair, before you toss your device through the window know that this kind of behavior can be traced back to a software issue. In this article, we will give you hints on what to do and where to pay attention when something like this happens so you get the device back in working order.

1. Check if it not a hardware malfunction

   To save yourself time and unnecessary frustration with juggling through Windows first inspect the device to be sure that indeed it is working properly, check all led lamps which could indicate that the device is working and receiving power, and if it is an internal device try opening the case and visually check if there are signs of working like rotating fans or led lamps on it.

2. Check Cables

   If it is an external device that has stopped working try checking power cables and cables which go to your computer, see if they are tightly connected. If it is an internal device also check cables, nudge them and if possible disconnect and clean them.

3. Disconnect and reconnect the device

   Try this solution to see will Windows register the device again and start it.

4. Update Windows

   If there is a Windows update not installed, install it and see if the device will start working.

5. Update device drivers

   Go to device manager and update the device driver to its latest version or go to the manufacturer's site and download the latest driver version.

6. Reinstall the device

   In the device manager, uninstall the device driver and reboot Windows. When Windows boots it will recognize the device and install the necessary drivers for it.

7. Disable antivirus and firewall

   Sometimes antivirus can prevent certain devices from working properly, especially if they rely on some system files to which antivirus or firewall has cut access. Try disabling your PC protection to see if this will resolve the issue.

8. Use dedicated error software

   Use DRIVERFIX to automatically search and fix driver issues.

Stumbling upon downloader.dll not found error is not pleasant to experience, usually, it means that desired application can not be started. There could be several reasons why this error happens from user mistakes, corrupted files, bad installation, and even bad RAM memory. Whatever the reason might be solutions provided are the same for all and offer a fix to this issue. it is advisable to follow provided solutions from start to finish not skipping any one of them since they are tailored to address the simplest solutions and issues and move toward more complicated ones.

1. Reinstall application

   If you are receiving Downloader.dll not found when trying to run just a single certain application, reinstall the application, there is the possibility that the application has somehow corrupted downloader.dll during the installation process. Reinstalling might fix the problem.

2. Run SFC scan

   SFC scan is the tool meant to scan all files and fix any corrupted ones. To run this tool, open the command prompt in administrator mode by right-clicking on the windows start button and then left-clicking on the command prompt (admin). When you are in command prompt type in SFC /scannow and let the whole process finish.

3. Update device driver

   If previous steps have not provided results, go to device manager and visually check is there a device with an exclamation or other sign next to it, if there is, right-click on it and choose update driver.

As you know, each one of the applications that you use in your Windows 10 computer has its own set of permissions by default. These applications either allows or denies the interactions between a few other applications, depending on their own needs. This is why you might suddenly encounter a message that says,

“This app wants to access your pictures” or “This app wants to access your account info”

both of which are followed by two buttons that will ask you to Allow or Deny the action. You can always click on any of the given options. This will determine the permission of the application. Users in Windows 10 are given the option to either allow or deny applications in accessing their account information like name, picture and other account information. Thus, in this post, you will be guided on how you can change the Privacy settings of these apps to allow or deny them permission to access not just your account info but for all users, as well as specific apps in Windows 10. The user account information is part of the Privacy data in Windows 10 that you can control easily using the Settings app. In fact, you can revoke or grant access permission for your account information, all the users and specific applications to do that, follow each one of the instructions provided below carefully.

Allow or deny apps permission to account info for yourself:

Step_1: The first thing you have to do is open Settings. From there, select Privacy. Step_2: After that, scroll and look for Account info and select it. Step_3: Now turn off the toggle button for the “Allow apps to access your account info” option if you want to deny apps permission to your account info. But if you want to allow them access, simply turn the toggle button on. Keep in mind that when you allow access or permission, you can select which apps can access your picture, name, and other account info by simply using the settings on the page you’re currently in.

Now if you want to allow or deny apps to access your account info for all the users, here’s what you have to do:

Step_1: First, open Settings and click on the icon for Privacy. Step_2: Next, scroll down until you see the Account info located on the left side and then click on it. Step_3: After that, click on the Change button under the “Allow access to account info on this device” section. If you want to deny account info access for all other users, then turn the toggle button off. Doing so will automatically disable not just the account info access for all users but also for all the apps as well.

On the other hand, if you want to allow or deny account info access to specific apps, you can do so by following these steps:

Step_1: As you did earlier, go to Settings and click on the Privacy icon. Step_2: After that, scroll down and select Account info located on the left side. Step_3: Now turn on or off the toggle button under the “Choose which apps can access your account info” section if you want to deny or allow specific apps permission to access Account Info. If you’ve turned on the toggle button under the “Allow apps to access your account info”, all the apps get access permissions by default.

If you are using a multi-monitor, then you might find it quite useful. It helps many users with their work and brings more productivity. And over the past few years, Windows has managed to offer one of the excellent multi-monitor features where users can plug in an additional monitor and access their work or use their computer seamlessly on both displays. This is really handy, especially for users who are graphic designers, gamers, and other professionals who have to use a larger screen for their work. One of the biggest inconveniences for users who use multi-monitor is that the Taskbar is switched on, on both displays, by default. This default arrangement is most likely to cause clutter on the second display. So if you are one of these users who find such a thing annoying, then you will find this post useful for you as we will walk you through how you can move the Taskbar to a second monitor. To get started, follow the instructions laid out below. Step 1: The first thing you have to do is right-click on the Taskbar. Step 2: Next, uncheck the “Lock the taskbar” option. Step 3: After that, click and hold the taskbar and drag it to the second monitor. Step 4: Once done, click the mouse button on the place where you want to place the taskbar. Step 5: Now right-click on the “Lock the taskbar” option to lock the taskbar. Once you’re done carrying out the steps given above, there are Advanced Options you can explore. This array of advanced options are offered by Windows 10 to fine-tune the multi-monitor experience of users. For instance, you have the option to choose to show the taskbar on an active screen only or combine the buttons on other taskbars. It would be better if you try out different variations and stick with the best one. In addition, you could also move the taskbar from one display to another.

If you are trying to copy a folder or file in your Windows 10 computer but encountered an error that says, “There is insufficient disk space to complete operation”, then you’ve come to the right place as this post will walk you through how you can fix the error. This kind of problem could be due to lack of disk space, corrupted disk, and many more. In such cases, this error usually pops up when you move or copy a file or folder to a particular location. There are several potential fixes you can check out to fix this error. You can try to run the Storage Sense or Disk Cleanup or try copying or moving the file in a Clean Boot State. You could also try formatting the given partition to NTFS. For more information, refer to each one of the options provided below.

Option 1 – Try to delete the temporary files

The error could be caused by some temporary or junk files in your computer and so you need to clear them up to fix the problem. You can achieve that using the Storage Sense feature.

• Open Setting > System > Storage from the WinX Menu.
• From there, you will see a list of all the local and connected storage devices along with the details on the free space. Make sure that Storage Sense is on.
• Next, find a link that says “Free Up Space” and click it to open.
• After that, a screen which is the built-in program in Windows 10 will appear and will scan your computer for the following junk files so you can free up disk space:
  • Windows Upgrade Log Files
  • The system created Windows Error Reporting Files
  • Thumbnails
  • Temporary Internet Files
  • Previous Windows Installation Files
  • Delivery Optimisation Files
  • DirectX Shader Cache
• Choose the files you want to get rid of and then click on the remove files option. Note that you’ll have an idea of the total size as you select any of the junk files listed above.
• Now go to the “Free Up Space Now” section and click the Clean now button. This will get rid of all the temporary or junk files in your computer and should hopefully fix the “There is insufficient disk space to complete operation” error.

Option 2 – Restart your computer in a Clean Boot State

If the first options didn’t work and you still see the “There is insufficient disk space to complete operation” error when you copy folder or files, you can try putting your computer in a Clean Boot State and then again.

• 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.)
• Now try to connect copy the folder or file once more and check if the error is now gone.

Option 3 – Try formatting the given partition to NTFS

Even though this option may take a lot of your time, it is proven to fix the “There is insufficient disk space to complete operation” error as reported by many users who also went through the same dilemma. So if the removable disk is showing the same error message no matter which computer you insert it, you might have to format the drive with the help of Command Prompt. But before you do that, you must know that all the contents of your drive will be permanently deleted after you format it.

• Tap Win + R to launch Run.
• Type in cmd and then tap Enter or click OK to open the Command Prompt.
• And in the elevated window of Command Prompt, type in the following command:

format F: /fs:ntfs

In the command given above, “F” is the drive letter and “NTFS” is the file system you want. Just remember to replace “F” with the drive letter you want to format as well as the file system you prefer. Brace yourself as this process might take quite a while even if you only have a 4 GB USB drive – so you must not close the window under any circumstances as the drive might get corrupted and wait for the process to finish.

The Windows 10 operating system comes with a user-friendly interface as well as better security features compared to its previous versions. One of these new features is the “Recently Opened Files” feature which displays all the files you’ve opened recently in File Explorer. Although it might seem useful, some users see this as a privacy concern especially if there are other users that use the same computer. If you are one of these users, read on as this post will guide you on how you can disable the “Recently Opened Files” feature in Windows 10. There are three ways you can disable the “Recently Opened Files” feature. You can manually clear the recent files, or disable the feature via Control Panel. You can also do it using the Group Policy Editor.

Option 1 – Manually clear the recent files

The first thing you can do is to clear the recent files manually. Since the information about the recently opened files is stored in the form of cached data, you can locate this data and delete it manually, from time to time. To do that, follow these steps:

• Tap the Win + R keys to open the Run utility and copy this address in the field: %AppData%MicrosoftWindowsRecent
• Next, tap the Ctrl + A keys to select all the items and then tap the Shift + Delete keys simultaneously.
• After that, a prompt will appear where you have to click on Yes. This will delete all the recently opened files in the File Explorer the next time you open it.

Option 2 – Disable the feature via Control Panel

The next option you can try to disable the feature is via Control Panel. Refer to these steps to do so:

• First, click on the Start Menu button and select the Settings icon.
• After that, click on Personalization and then on Start located on the left pane.
• Next, scroll down until you see the “Show recently opened items” in Jump Lists on the Start or the Taskbar and click on it and then toggle it off.

Option 3 – Disable the feature using the Group Policy Editor

If you are using the Windows 10 Pro version, then you have access to edit the functions in the Group Policy. The Group Policy function has the option that can disable all the default services of Windows 10. Note that in this step, you will permanently disable the “Recently Opened Files” feature. So before you proceed, make sure that you really want to disable this feature permanently and not in the meantime.

• Tap the Win + R keys to open the Run dialog box and type “gpedit.msc” in the field and click OK or tap Enter to open the Group Policy Editor.
• Next, on the left side pane, click on the “User Configuration” option and then click the “Administrative Templates” option.
• After that, select the “Start Menu and Taskbar” option and select the “Don’t keep the history of recently opened documents” option in the right pane.
• Now double click on this option and check the “Enabled” option and then click on Apply and OK buttons to save the changes made.

If you have suddenly run into a problem when trying to connect or pair your Bluetooth keyboard with your Windows 10 computer, read on as this post will guide you on how exactly you can resolve the problem. This kind of problem typically occurs when you’ve disabled the Bluetooth option. However, this option is already enabled and you still encountered the same error message saying, “Check the PIN and try connecting again”, then you need to troubleshoot the problem further. In most cases, this kind of issue can be fixed when you restart your computer and go to the Windows Settings and select the “Add Bluetooth or other devices” option and then put the keyboard into pairing mode. And when the keyboard appears in the “Add a device” dialog box, just select it. On the other hand, if your Bluetooth keyboard won’t get connected to your Windows 10 computer and you encounter an error that says, “Can’t pair Bluetooth keyboard, Check the PIN and try connecting again”, then you need to check out the options provided below but before you do so, make sure that you create a System Restore point first as some of the troubleshooting options provided involves the Windows Registry.

Option 1 – Try to use the Device Pairing Wizard

The Device Pairing Wizard is the one that allows your computer to look for any new devices and display them underneath it. All you have to do to use this wizard is to follow its instructions to connect your Bluetooth device to Windows 10. To get started, follow these steps:

• First, tap the Win + R keys to launch the Run utility and type “devicepairingwizard” in the field, and then hit Enter to run the Device Pairing Wizard.
• After that, wait for a couple of seconds until the devices appear. Once they do, select the Bluetooth device you wish to add.
• A new screen with a passcode should appear instantly. You need to take note of the given passcode and type them on your Bluetooth keyboard.
• Once done, tap Enter. This should help in pairing your computer to your Bluetooth keyboard.

Option 2 – Try to use the Registry Editor

The next thing you can do to resolve the pairing issue with your Bluetooth keyboard is to use the Registry Editor by following these steps:

• Tap the Win + R keys to open the Run utility and type “Regedit” in the field and then hit Enter to open the Registry Editor.
• Next, navigate to this registry path: HKEY_USERS/.DEFAULT/Software/Microsoft/Windows/CurrentVersion/Bluetooth/ExceptionDB
• From there, look for the folder named “Addrs” and expand it. If you see any folders or keys under it, select them and delete them. These keys represent the MAC address of your Bluetooth devices.
• Once you’re done, restart your computer and try to pair your Bluetooth keyboard once more.

Option 3 – Try running the Bluetooth Troubleshooter

As you know, Windows 10 has various troubleshooters with user-friendly interfaces where you can utilize them to fix issues in your PC. And since you’re dealing with some Bluetooth problem, you have to run the Bluetooth Troubleshooter.

• Open the Windows 10 Settings.
• Then go to Update & Security > Troubleshoot.
• You should find the option for Bluetooth on your right-hand side – click on it then click on the “Run the troubleshooter” option.
• Now follow the next screen options.

Option 4 – Try to reinstall or update the Bluetooth driver

The issue might have something to do with the Bluetooth drivers. It could be that it is outdated and needs to be updated or that you recently updated it and since you have trouble pairing your Bluetooth keyboard, you can update, rollback, or uninstall the Bluetooth drivers. How? Follow the steps below.

• Tap the Win + X keys to open the Device Manager.
• Next, look for the Bluetooth device and right-click on it.
• Select the option “Update driver”.
• After that, a new popup window will appear. In there, select the option, “Search automatically for updated driver software”.

Note: Checking the update may take a few minutes so you’ll have to wait until it finishes. If it is able to find an update, you must install it.