basprov.uno.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Discover details about basprov.uno.dll, its function, and potential issues in this concise meta description. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	32-bit (x86)	Compatible with 32 and 64-bit Windows
Creation date	08.10.2025 22:43:46
File version	4.1.9816.500
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	79.5 kb.	81408 bytes.

Hashes:

MD5: 9448c54d2e742a61a0ddf0ba0215d903 ✅
SHA-1: df2edea855f06b1a30574965dd8b7ed4294f97b7
SHA-256: 55ba378c843662d5321a626feedd9909b049245f64cc994a1f87884f7a87086d
SHA-512: 54279bdb805ec269969b3cbeabf2861164e3dcceaee7043e91f37147b9e8c127b7bb393856b9cfe14bbb3fe7426df49e1c8ceb8320bc0478cd6d125c3cc8528d

✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).

To fix the basprov.uno.dll error without downloading anything from third-party DLL sites, you need to repair the program it belongs to. This file is a core Unified Network Objects (UNO) component used by LibreOffice or Apache OpenOffice for Basic scripting. When it goes missing or becomes corrupted, these applications will crash or fail to load.

Here are the safest, built-in methods to resolve this issue:

Method 1: Repair LibreOffice or OpenOffice via Control Panel

Instead of downloading a risky standalone file, let Windows repair the entire software package using your local installation cache.

Press Windows Key + R to open the Run dialog box.
Type appwiz.cpl and press Enter to open Programs and Features.
Scroll down and locate LibreOffice or OpenOffice in the list.
Right-click the program name and select Change (or Modify).
In the installation wizard setup window, select the Repair option.
Click Next and let Windows restore any missing or broken components, including basprov.uno.dll.
Restart your computer once the process finishes.

Method 2: Reset the Office User Profile

Sometimes the application cannot read the DLL file because your user configuration profile has corrupted pointers.

Close all open instances of LibreOffice/OpenOffice.
Press Windows Key + R, type %appdata%, and hit Enter.
Locate the folder named LibreOffice or OpenOffice.
Rename this folder to LibreOffice.old or OpenOffice.old.
Relaunch the program. It will automatically generate a fresh, glitch-free user profile.

Method 3: Run the System File Checker (SFC) Scan

If the error is caused by a broken dependency in your Windows operating system that prevents the office suite from loading dependencies, use the native repair utility.

Press the Windows Key, type cmd.
Right-click Command Prompt and select Run as administrator.
Type the following command exactly as shown and press Enter:
```
sfc /scannow
```
Wait for the verification to reach 100%. Windows will automatically replace any broken system dependencies.

Method 4: Clean Reinstallation

If the local repair options do not work, your installation media source is completely broken.

Go back to appwiz.cpl (Programs and Features).
Right-click LibreOffice or OpenOffice and choose Uninstall.
Restart your PC.
Run your original offline installer file to execute a completely clean setup.

📊 Diagnostics Tool: Verify Your `basprov.uno.dll` File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

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