We're sorry, we can't find the page you requested

Hello there, rrlc.

May I know which area in QuickBooks Online (QBO) did you encounter the error? This will help us check the status of the investigation.

Simply click the Reply button to add more details about your concern. I'm looking forward to working with you again. 

I was trying to find app to connect but page showed this message "We're sorry, we can't find the page you requested"

We appreciate you joining the thread, Asif.

We can see the importance of this matter, and we'd like to thank you for allowing the Community team to assist you in addressing your query. It may have something to do with your current browser. Your browser may accumulate a lot of temporary internet files inside it, causing it to affect your browsing experience when using QuickBooks Online (QBO). Let's rule out the possibility of being in this situation so we can perform some basic troubleshooting. You'll want to access your account in an incognito or private browser. You can use these shortcut keys:

• Chrome: Ctrl + Shift + N
• Firefox: Ctrl + Shift + P
• Safari: Command+Shift+N

Once you're in, try to look for an app inside your company. If it works and you're able to get through, you can proceed to clear your browser's cache. Refer to this article for the steps: Clear cache and cookies to fix issues when using QuickBooks Online.

You can also use other compatible browsers if the issue persists. Refer to this article to see the list of compatible browsers in QuickBooks Online: Other browsers.

Moreover, here are some articles to help you manage customers payments, add more details to your business reports, and ensure your data stays accurate inside QBO:

• Record invoice payments in QuickBooks Online.
• Customize reports in QuickBooks Online.
• Run reports in QuickBooks Online.

Asif, feel free to comment below or visit us here in the Community space if you need further assistance integrating an application or have any additional QuickBooks-related concerns. We've got your back. It'll be our pleasure to help you again. Take care, and have a good one!

I have cleared caches and cookies and its not working in other browsers as well. 

Thank you for your prompt response and for following the steps recommended by my colleague, Asif.

Based on the information you provided, it seems like you are still experiencing an error despite clearing your cookies and cache and trying other browsers. In this case, I recommend reaching out to our Customer Support team. They can assist you in resolving the issue by checking your account in a secure environment and identifying the root cause of the error. 

You can do it by going to the Help icon at the top right of the account. Follow the steps below: 

1. Go to the Help icon to connect to a live support agent.
2. Click on the Contact Us button and provide some details about this concern.
3. Provide us with some information about your concern in the What can we help you with? box and click on Continue.
4. You'll now be provided options on how to connect to our Customer Support.

Check this article for more information about the different types of support we offer and their availability: QuickBooks Online Support.

You might also find these articles helpful in achieving basic tasks in QBO:  Video tutorials for QuickBooks Online.

Let me know if you need further help trying to access your QuickBooks account. I'm always here to assist. Have a wonderful day!