How to fix “The stub received bad data. [RPC_X_BAD_STUB_DATA (0x6F7)]” – Error Code 1783


Error Code 1783

Error code Error Code 1783 is a common Windows issue that typically arises from “The stub received bad data. [RPC_X_BAD_STUB_DATA (0x6F7)]”.


In this article, we’ll focus on resolving the issue described as: “The stub received bad data. [RPC_X_BAD_STUB_DATA (0x6F7)]”. This error, identified by the error code Error Code 1783, can impede your system’s performance, and here’s how you can fix it.

Identifying the Problem

Error Code 1783 is a Remote Procedure Call (RPC) error that occurs due to corrupted data transmission between a client and a server. Common causes include software conflicts, corrupt drivers, or network issues. Watch out for these signs:
– Applications or services may crash or freeze
– Network connectivity issues
– Slow system performance

Common Fixes

Method 1: Restart the Affected Service
Try restarting the service that’s experiencing the error. To do this:
1. Press Windows Key + R to open the Run dialog
2. Type “services.msc” and press Enter
3. Locate the affected service, right-click, and select “Restart”

Method 2: Update Drivers
Outdated drivers can cause RPC errors. Update your drivers, especially for network adapters.
1. Open Device Manager (search “Device Manager” in the Start menu)
2. Expand “Network adapters”
3. Right-click the network adapter, and select “Update driver”

Method 3: Check Firewall and Antivirus
Firewall or antivirus software can sometimes block RPC communication. Try temporarily disabling them to see if the error persists.

Advanced Troubleshooting

Method 4: Registry Edit (Caution!)
1. Open Registry Editor (search “regedit” in the Start menu)
2. Navigate to: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa
3. Double-click “LsaPolicy”
4. Under “Limit Blank Password Use”, set the value to “0”

Method 5: System Restore
If the error appeared recently, try performing a system restore to a point before the error occurred.


By implementing the solutions provided in this article, you should be able to resolve Error Code 1783 and restore your system’s performance. To prevent future occurrences, keep your drivers updated, ensure your firewall and antivirus settings are optimal, and regularly clean your system of malware and registry errors.