For some users, the app may not even launch.
Meanwhile, you may also see sync operations hang.
Whats Cause of OneDrive Sign-in Error 0x8004de25?
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Firewall blocking or proxy controls can also stop OneDrive from connecting to Microsoft servers.
The OneDrive error code 0x8004ded2 will stop you from logging into your account.
To fix this issue, this post will be helpful.

Fix 1.
In this case, clearing cached credentials can do the trick:
Step 1.
Terminate your OneDrive > typecontrol panelinWindows Search> pressEnter.
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Navigate toUser Accounts> chooseManage your credentialsin the left sidebar.
Select theWindows Credentialssection > scroll down toGeneric Credentials> remove all OneDrive credentials as required.
Once done, cycle your PC and sign in again to see if OneDrive error code 0x8004de25 still appears.

Facing the issue notification cached credentials have expired in Microsoft Office?
Read this post to fix this sign in required trouble.
Fix 2.
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Check web link and Firewall configs
This error sometimes also occurs due to yourpoor internet connectionor block from firewall.
it’s possible for you to check the connection and firewall tweaks.
The steps are as follows:
Step 1.
PressWindowsandIkeys to openSettings> go toNetwork & Internet.
Select theProxytab > toggle offUse aproxy server.
In the new window, go toFirewall & connection protection > Allow an app through firewall.
Ensure OneDrive is listed and allowed for both private and public networks.
After checking, relaunch your OneDrive and have a go at access again.
Fix 3.
Resetting OneDrive should be helpful.
PressWin + Rto bring up theRunwindow.
Input%localappdata%\Microsoft\OneDrive\onedrive.exe /resetand hitOK.
Step 3. cycle your system and open OneDrive again.
Fix 4.
Alternatively, you’re able to directly reinstall the latest OneDrive app.
To do so,
Step 1.
Fire up theRundialog > enterappwiz.cpl> hitOK.
Go to Microsoft website to download the latest version of OneDrive.
After that, launch OneDrive and check whether the error persists or not.
With this post, you may now know 4 helpful and effective solutions to this issue.