Troubleshooting Error Messages or Pop-Up Blockers
Block or Allow Pop-Ups
đź§For a Guide on blocking/allowing pop-ups or to block notifications, see Block or allow pop-ups in Chrome.
HTTP 400 – Bad Request Error: Step-by-Step Troubleshooting
If you or a student are seeing a "HTTP:STATUS 400 – Bad Request" error when trying to access course content in the K12 School (OLS), don’t worry! This guide will walk you through simple steps to fix the issue and get back to learning.
What Is a HTTP 400 – Bad Request Error?
The HTTP 400 error means your browser sent a request to the website that the server couldn’t understand. It’s like trying to open a locked door with the wrong key—it just doesn’t work.
Step 1: Clear Your Cache and Cookies
Browsers store temporary files to help websites load faster, but sometimes these files can cause problems.
Clear your cache and cookies for all time.
Need help? Visit our guide: Clearing Cache and Cookies: Google Chrome
If the error still appears, move on to Step 2.
Step 2: Try a Different Browser
Sometimes switching browsers can solve the issue.
Recommended browsers: Microsoft Edge or Google Chrome
Still seeing the error? Let’s try Step 3.
Step 3: Use an Incognito or Private Window
This opens a fresh browser session without saved data or extensions.
In Chrome or Edge, click the three dots in the top-right corner and select New Incognito Window or New InPrivate Window.
Chrome:
Edge:
If that doesn’t work, continue to Step 4.
Step 4: Turn Off Third-Party Browser Extensions
Extensions can sometimes interfere with how websites load.
In Chrome:
Click the three dots in the top-right corner.
Go to Extensions > Manage Extensions.
Toggle off any unexpected extensions (gray = off).
In Edge:
Click the three dots in the top-right corner.
Go to Extensions > Manage Extensions.
Make sure only pre-installed K12 extensions are enabled.
Do not allow extensions from other stores.
K12 PowerSchool: Document Library or Computer Fulfillment Not Loading
Step 1: Clear Your Cache and Cookies
Browsers store temporary files to help websites load faster, but sometimes these files can cause problems.
Clear your cache and cookies for all time.
Need help? Visit our guide: Clearing Cache and Cookies: Google Chrome
If the error still appears, move on to Step 2.
Step 2: Try a Different Browser
Sometimes switching browsers can solve the issue.
Recommended browsers: Microsoft Edge or Google Chrome
Still seeing the error? Let’s try Step 3.
Step 3: Use an Incognito or Private Window
This opens a fresh browser session without saved data or extensions.
In Chrome or Edge, click the three dots in the top-right corner and select New Incognito Window or New InPrivate Window.
Paste the Document library url into the private browser window address bar.
Chrome:
Edge:
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