How can I view, detect errors, and repair the registry? This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question Report abuse. Details required :. Cancel Submit. If invalid registry entries are detected, Windows Registry Checker automatically restores a previous day's backup.
If no backups are available, Windows Registry Checker tries to make repairs to the registry. If the registry contains more than KB of empty data blocks, Windows Registry Checker automatically optimizes it. Windows Setup runs the Windows Registry Checker tool to verify the integrity of the existing registry before it performs an upgrade.
If it detects registry damage, it tries to fix it automatically. The protected-mode version of the Windows Registry Checker tool Scanregw. If invalid entries are detected, it refers to the real-mode version of the Windows Registry Checker tool Scanreg.
You can configure Windows Registry Checker with a Scanreg. Settings that you can configure include:. For additional information about the Scanreg. When you do so, you can choose up to five registry backup files listed for you to restore. Right-click the file that you want to restore, click Extract, and then choose the folder where the new file is to be placed.
The best protection from registry hassles, or any computing disaster, is to have a current backup. See this article for some guidance.
Back up your registry. Make sure to back up your registry before you open any registry cleaner. This is a bit redundant, since the registry cleaner will back up any changes it makes, but an extra level of security never hurts, and will help greatly if something goes awry.
Pay attention. Minimize conflicts. Right-click any icons in your taskbar that are for programs running in the background and quit them before you begin. Use caution. After the scan, the program will let you remove—or in some cases, repair—the registry errors.
You can scan with more-aggressive settings later on. For instance, Registry First Aid found 2, problems on the work system, of which about 1, were deemed safe to alter. They are not to be trusted.
Seriously, use caution. Choosing which of the errors to remove or repair can give you a migraine. We scan for things that look familiar. For example, we saw almost registry entries left over from a package of Dell drivers that had been uninstalled months ago, and one registry cleaner spotted invalid paths to dozens of entries for MP3 files that were moved to a new location.
The reason is that, even if the cleaner offers an option to restore a deleted registry entry, restoring might not be possible if the DLL entry you just deleted is essential for your system to boot. Always be careful when making these decisions and error on the side of caution. Step away from the PC.
You'll find Restart in the pop-up menu. Click Troubleshooting. It's in the middle of the screen. Click Advanced Options. You'll find this next to an icon that resembles a set of tools. Click Startup Settings. Click Restart. You'll find this at the bottom of the screen. Select the "Safe Mode with Networking" option. Press the key that corresponds with the number to the left of the "Safe Mode with Networking" prompt usually the 5 key to do so. Your computer will restart into Safe Mode, after which point you're free to begin cleaning out the Registry.
Part 3. Search for the Registry Editor. Type in regedit to do so. Click regedit. It's at the top of the Start menu. Click Yes when prompted. Doing so opens the Registry Editor program. Part 4. You'll find a list of folders related to your installed programs in here. Find a folder for an unused program. Since the only files you can safely delete are ones pertaining to programs you've already uninstalled, you'll want to find a folder that matches the name or company of a program you no longer use.
You may have to expand the folder of a company e. Click Delete. It's in the drop-down menu. Doing so deletes the Registry entry. Repeat this process for other programs you recognize. Once you're finished deleting the folders of programs you've already removed, you can proceed. Close the Registry and restart your computer. Part 5. Install the Registry Cleaner app.
This app can help guide you through cleaning your Registry by scanning for corrupted or unnecessary files, determining which ones are safe to remove, and removing them as needed. Click Download now. Double-click the downloaded setup file.
Click Click to install.
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