Download and Repair BootOptimizer.sdf Issues

Last Updated: 11/27/2023
[Average Article Time to Read: 4.7 minutes]

BootOptimizer.sdf is considered a type of SQL Server Compact Database file. It is most-commonly used in Avira Free Antivirus 15.0.1909.1591 developed by Avira Operations GmbH & Co. KG.. It uses the SDF file extension and is considered a Database (SQL Server Compact Database) file.

BootOptimizer.sdf was first developed on 09/25/2019 for the Windows 10 Operating System in Avira Free Antivirus 15.0.1909.1591. This file marks the latest update from Avira Operations GmbH & Co. KG., according to our records.

Please see below for more detailed information, SDF file troubleshooting instructions, and free downloads of different versions of BootOptimizer.sdf.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: BootOptimizer.sdf
File Extension: SDF file extension
File Type: Database
Description: SQL Server Compact Database
User Popularity Rating:
 
Developer and Software Information
Software Program: Avira Free Antivirus 15.0.1909.1591
Developer: Avira Operations GmbH & Co. KG.
Software: Avira Free Antivirus
Software Version: 15.0.1909.1591
File Details
File Size (Bytes): 686815
Oldest File Date: 10/02/2019
Latest File Date: 10/02/2019


What are BootOptimizer.sdf Error Messages?


General BootOptimizer.sdf Runtime Errors

BootOptimizer.sdf file errors often occur during the startup phase of Avira Free Antivirus, but can also occur while the program is running. These types SDF errors are also known as “runtime errors” because they occur while Avira Free Antivirus is running. Here are some of the most common BootOptimizer.sdf runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Program Files (x86)\Avira\System Speedup\sdf\BootOptimizer.sdf

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.


Most SDF errors are due to missing or corrupt files. Your BootOptimizer.sdf file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Avira Free Antivirus), or deleted by a malware infection. Furthermore, BootOptimizer.sdf file corruption could be caused from a power outage when loading Avira Free Antivirus, system crash while loading or saving BootOptimizer.sdf, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix BootOptimizer.sdf Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your BootOptimizer.sdf issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the BootOptimizer.sdf error, please proceed to the Step 2 below.

Step 2: If recently installed Avira Free Antivirus (or related software), uninstall then try reinstalling Avira Free Antivirus software.

You can uninstall Avira Free Antivirus software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Avira Free Antivirus 15.0.1909.1591 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Avira Free Antivirus software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Avira Free Antivirus 15.0.1909.1591

Avira Operations GmbH & Co. KG.

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many BootOptimizer.sdf error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the BootOptimizer.sdf error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your BootOptimizer.sdf File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate BootOptimizer.sdf file version. We maintain a comprehensive database of 100% malware-free BootOptimizer.sdf files for every applicable version of Avira Free Antivirus. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download BootOptimizer.sdf Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Avira Free Antivirus folder location:
    Windows 10: C:\Program Files (x86)\Avira\System Speedup\sdf\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve BootOptimizer.sdf problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download BootOptimizer.sdf Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying BootOptimizer.sdf to your appropriate Windows system directory. Avira Operations GmbH & Co. KG. typically does not release Avira Free Antivirus SDF files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing BootOptimizer.sdf and all other SDF files for Avira Free Antivirus. An incorrectly installed SDF file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10


Files Related to BootOptimizer.sdf


SDF Files Related to BootOptimizer.sdf

File Name Description Software Program (Version) File Size (bytes) File Location
GameBoosterPower.sdf SQL Server Compact Database Avira Free Antivirus 15.0.1909.1591 15071 C:\Program Files\Microsoft Office 15\root\vfs\P...
SystemDisk.sdf SQL Server Compact Database Avira Free Antivirus 15.0.1909.1591 7711 C:\Program Files\Common Files\Microsoft Shared\...
FlashDisk.sdf SQL Server Compact Database Avira Free Antivirus 15.0.1909.1591 1359 C:\Program Files (x86)\Common Files\microsoft s...
PrivacyCleaner.sdf SQL Server Compact Database Avira Free Antivirus 15.0.1909.1591 143871 C:\Program Files (x86)\Common Files\microsoft s...
registry.sdf SQL Server Compact Database Avira Free Antivirus 15.0.1909.1591 124271 C:\Program Files\Microsoft Office 15\root\vfs\P...

Other Files Related to BootOptimizer.sdf

File Name Description Software Program (Version) File Size (bytes) File Location
symbol.ttf TrueType Font Avira Free Antivirus 15.0.1909.1591 70128 C:\Program Files\WindowsApps\Microsoft.Office.O...
setupact.log Log Avira Free Antivirus 15.0.1909.1591 2024834 C:\Windows\Logs\DPX\
setupact.log Log Avira Free Antivirus 15.0.1909.1591 60976 C:\Windows\Panther\UnattendGC\
api-ms-win-core-heap-l... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.14393.33) 18112 C:\Program Files (x86)\Avira\SoftwareUpdater\
diagerr.xml Extensible Markup Language Avira Free Antivirus 15.0.1909.1591 3813 C:\Windows\System32\Sysprep\Panther\


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