Burp Suite Professional Error Failed to connect to 127.0.0.1:80 - security

I am completely new to burp suit and dvwa as well, I have one task into my plate to execute, that is security testing, I have invested today entire day to collect data and watch videos and to apply the same to my assigned task, which is not successful yet so I finally take a step to ask you guys for help. I hope someone will help out on my below queries and issues which I am facing now, Thanks in advance.
I have installed DVWA on my windows 7 machine, updated properly in a config file, not from the command prompt, and run Apache and SQL properly in XAMPP control panel but when I try to execute it's redirecting to http://127.0.0.1:8080/dvwa/setup.php And when I try to click on Create/Reset database I got this error
"Could not connect to the MySQL service.
Please check the config file."
"Your database user is root, if you are using MariaDB, this will not work, please read the README.md file."
Please note: I didn't use "MariaDB"
One more thing I am facing an issue here, If I run BurpSuit then it is not opening http://127.0.0.1:8080/dvwa/ getting an error: "Burp Suite Professional Error Failed to connect to 127.0.0.1:80" last 8080 it is taking 80 only.
Please help me out how to resolve this.

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Power Query M - An operation that uses the database driver could not be completed

From time to time when I run some queries I get this error message :
An operation that uses the database driver could not be completed. If the driver is a Microsoft driver, make sure the driver file isn't damaged
I didn't found yet how to fix it with internet help.
this last website give a "solution" but I can't do the same.
"Well in my case it worked by giving the user access to the DB it is accessing."
I just have a worksheet who use others files from my company network, I don't use any database ...
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May I have some help ?
I had the same issue when I try to connect Analysis service in Azure. The error message is misguiding. In actual, you are missing few client drivers that are needed to connect to Azure Analysis services. Install all the missing drivers (OLEDB, AMO and ADOMD) from https://learn.microsoft.com/en-us/analysis-services/client-libraries?view=asallproducts-allversions#known-issues and you should be good to go.
I think OLEDB installation should suffice the need but I did all three to avoid future encounters related to other admin stuff. Check if OLEDB updated # C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\140 by comparing msolap.dll version. Latest version as I write this is 15.1.108.23
Tip: 1) Try connecting to Analysis Service from Excel by following the steps - Data Menu --> Get Data --> From Database --> From Analysis Services. Follow the prompts by filling appropriate info. Bingo! You are in!
2) Wait for a while if still you can't connect after installing all drivers. I don't know the actual reason why but was able to connect next day.
Please mark this as an answer if it helps to solve your problem.
Good Luck!
Update - 1/5/2021
Today I face same ugly error again which made me to rethink what else could be gone wrong in the system. Later realized that I had restarted the machine and that removed the temp connection file referred by Excel file. Following the steps to reconnect under the Tip section in above instructions let me successfully in.

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I get the following error:
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Please help in solving the issue.
The "requests" and "panels" tables are used by DebugKit, and created automatically if they don't exist. Presumably, the database user you are connecting to the database with doesn't have "create" permissions here. Either correct that, or disable the DebugKit plugin in your config/bootstrap.php.

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Try
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I am trying to create an instance using the Configuration Manager of WCS 7. I am working on a Win 7 x64 machine with DB2 9.5 64 bit version.
I am struck with this Massloading error when the instance creation happens :
In createInstanceANT.log file :
[Massload] Massloading
C:\IBM\WebSphere\CommerceServer\schema\xml\wcs.keys.xml Error in
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The error log shows the following error :
[jcc][10165][10044][4.3.111] Invalid database URL syntax:
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C:\IBM\WEBSPH~1\COMMER~2\config\DEPLOY~1\xml\createBaseSchema.xml:185:
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What could be the reason for this error and how to resolve it ? Is there any configuration change that I am missing ?
Can you provide some more details.
look inside the messages.txt file located in WC_install_dir/instances/instance_name/logs
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I've been running into massloading problems with external systems. Eg. databases not on the same machine as the WAS installation.
In these cases I look for the
As you can see setting the loaderDBName to just the name of the database would look on the local machine. But by changing this statement so you load with the syntax
loaderDBName=[DATABASE_SERVER_NAME]:[PORT]/[DATABASE_NAME]
You'll be able to massload using the commerce standard scripts. These changes needs to be done in many scripts. Both for updating fixpacks and enabling features. If you run database updates without the changes it will crash at first and have done all the schema changes to the database that you then need to comment out before trying again.
IBM Software Support is your friend. They'll help you fix it.

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