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1. What can Repair Center do?

1. Sort repairs by symptom. System files, Windows Update, Windows Installer, the search index, environment variables, Recycle Bin, icons, file associations, the context menu, the network, and Windows apps stay separate. You do not have to run every command.
2. Read the limit before you click. Each item says what it repairs. Disk repair runs CHKDSK. It does not repair a RAW volume or rebuild a partition table.
3. Change only what you select. File associations update the checked types. A context-menu button rewrites only that menu. Network items can be chosen one at a time so adapters and VPNs are not cleared by accident.
4. Open system tools only when you ask. Event Viewer, Windows Troubleshooting, and System Reset are separate entries. They do not start when you click Fix on another repair.

2. When should you use Repair Center?

• Double-clicking a file type does nothing, or the icon and the program are both wrong;
• Explorer icons are corrupt, thumbnails do not refresh, or special folders look generic;
• System commands are missing from a right-click menu;
• Settings, the Store, or a Windows app on the Start menu will not open;
• Windows Update fails, an MSI installer fails, or Explorer crashes at random;
• A partition will not open, is slow, or Windows checks the disk for hours at every startup;
• Files disappear from Explorer after antivirus removal;
• Word or Excel will not open or close files.

3. How do you open Repair Center?

In the Windows Manager main window:

Automation → Repair Center

You can also open it from the Repair Center button in 1-Click Fixer. The tool needs administrator rights because repairs change system files, services, the registry, and disks. If Windows Manager is not installed yet, get a trial from the download page.

Before disk repair, network-adapter reset, file-association repair, or re-registering every Windows app, create a restore point and back up important files.

4. Main window

• Title bar: Diagnose and repair various system problems and errors. Hover ? on the right for what this tool does. The link at the bottom of that tip opens this guide.
• Left categories: System Repair, Misc. Repair, Windows apps, Event Viewer, Unlock System, Security Lock, File Associations, Context Menu, Icon Repair, Network Problems, Troubleshooting, and System Reset.
• Work area: The description and buttons for the selected category. Most items are a paragraph plus Fix. Items that need a target also show a list, a drive letter, a folder, or checkboxes.
• Status bar: The current action, such as the file name being processed.

5. System Repair

System Repair is split across several pages. Fix or Scan runs only that item.

• Repair Windows Component Store: Repairs the component store. CBS.log opens the servicing log.
• System File Checker: Scans and repairs protected system files.
• Rebuild WMI Repository: Rebuilds the repository when WMI is broken and Task Manager or device information looks wrong. Do not rebuild a healthy repository over and over.
• Reset Windows Update: Update cannot search for new updates, or setup fails while Windows is starting.
• Windows Installer (MSI): Explorer crashes at random, Windows Update will not start, or an MSI installer fails.
• System Restore General Troubleshooting: Routine help when Windows cannot create a restore point. This item stops if the system drive does not have enough free space.
• Do not remember the View settings: Explorer forgets window size, position, or view.
• Reset the Volume Mixer: Restores a broken volume mixer.
• Cancel the disk check at Windows startup: Windows checks one or more drives at every startup, sometimes for hours. This turns that startup check off.
• Restore the missing tabs: Compatibility, Details, or Security is missing from a file or folder Properties window.
• Unable to rename the partition volume label: Explorer will not rename a volume. A common cause is autorun.inf in the root of that drive.
• Localized names: Desktop, Documents, Downloads, Music, Pictures, or Videos does not show its localized name.
• Enable NumLock: Turns NumLock on for the sign-in screen and the lock screen.
• Rebuild Search Index: Rebuilds the index when search results are missing, outdated, or wrong. Fix stays disabled if the index database is not found. Restore puts the previous index back.
• Environment Variables: Repairs variables such as Path, ComSpec, TEMP, and TMP.
• Fix corrupted Recycle Bin: You cannot empty the Recycle Bin or delete an item inside it.

6. Misc. Repair

Repair disk error

If a partition opens with file-system errors, or it is slow because of disk problems, choose its letter under Partition and click Fix. Repair Center runs CHKDSK /f /r /x. It checks the file system, tries to fix errors, scans for bad sectors, and dismounts the volume if necessary. It cannot repair a RAW volume or rebuild a damaged partition table. If the drive is in use, Windows may ask to run the check at the next restart. The scan can take a long time, so do not interrupt it. Back up important files first when you can. The list contains fixed disks and removable disks only.

Microsoft Office not opening or closing properly

Use this when Word or Excel cannot open or close files because the Normal template is damaged. The repair closes Word and Excel, then deletes Normal.dot and Normal.dotm. Customizations stored in those templates are lost.

Restore file attributes

After antivirus removal, files can vanish from Explorer because they were marked hidden, read-only, or system. Select the folder that contains them, then click Fix. Do not select the root of the system drive. More files mean a longer run.

Print spooler and description strings

Clear and Reset the Print Spooler Queue is for a document stuck in the print spooler. If printing still fails, install a current driver from the printer maker.

Description string error is for unreadable background-service descriptions, or a network properties window in Settings that will not open.

7. Windows apps

• Fix Settings: Re-registers Settings when it is not working.
• Re-register Windows Store: The Store never starts, the progress ring never finishes, or the Start tile keeps showing app updates when none are available.
• Re-register all Windows apps: Re-registers Windows apps in the current user account when an app will not load. This can take several minutes. Only built-in Windows apps limits the repair to built-in apps. Leave it cleared to re-register every Windows app in the account.
• Start Menu Troubleshooter: Starts the Microsoft Start menu troubleshooter.

8. File associations

A file association decides which program opens a file. Unavailable in the Status column means the open command does not match the expected command, or the target program is missing. Check only the Unavailable types, then click Fix. Do not check types that are already Available just to “repair everything.”

REG is a clear example. When that association is unavailable, double-clicking a .reg file may not open Registry Editor, and the icon may be wrong. Fix writes the command back to regedit.exe "%1". If the EXE association itself is damaged, Repair Center may not start the normal way. Rename RepairCenter.exe to RepairCenter.com and run that file.

9. Context menu

When system commands are missing after a right-click, click the button for that menu. Each button restores one menu: File, EXE, Directory and Folder, Drive, Send To, New, Computer, or Recycle Bin. The wrong button rewrites a different menu. Do not click all eight.

10. Icon Repair

• Icon Thumbnail: Some icon-file thumbnails look wrong in File Explorer.
• Icon Cache Size: Drag the slider toward Large, then click Apply. A larger cache is less likely to overwrite icons when it fills up. This is not the same as rebuilding the cache.
• Rebuild Icon Cache: Rebuilds the cache when icons are corrupt or missing, or the desktop does not refresh.
• Corrupt Drive Icon: A drive in This PC shows the wrong icon.
• Restore icons of the special folders: Music, Videos, and similar folders look generic. Fix restores the default icons.

11. Network problems

The eight checkboxes are not equal. Select only the items that match the failure, then click Fix. Fix stays disabled until something is selected.

• Restore system default hosts file and Disable proxy server are for hosts-file or proxy problems.
• Clear SSL state clears the SSL state.
• Fix network connection problems and Reset the services required for Network are for failed connections or broken network services.
• Restore Windows Firewall to default settings returns the firewall to its defaults.
• Reset Network Protocol Stack resets the stack. Restart Windows before it takes effect.
• Clean up and reset Network Adapters is only for a problem in the adapters themselves. It removes the adapters and their drivers. VPNs may need to be set up again.

12. Unlock System and other entries

Unlock System has three items. Select one, or use Select All, then click Fix:

• Unable to sign in to Safe Mode;
• Force Windows to show all hidden files;
• Unable to open drives by double-clicking.

These four entries launch another program. They do not apply a repair inside Repair Center:

• Event Viewer: Opens Event Viewer so you can compare logs before and after a repair.
• Security Lock: Opens Security Lock.
• Troubleshooting: Opens the built-in Windows troubleshooters.
• System Reset: Starts Windows systemreset.exe. This is a PC reset, not a small Fix. Back up personal files before you continue.

13. Important notes

1. Create a restore point before large changes. Component store, WMI, Windows Update, file associations, network adapters, and CHKDSK all change the system.
2. Do not select every network item. Resetting the protocol stack requires a restart. Cleaning up network adapters removes drivers, and VPNs must be set up again.
3. Do not turn the PC off during CHKDSK. Choose the correct drive letter. A RAW volume or a damaged partition table is outside this repair.
4. Repair Unavailable associations only. If the EXE association is damaged, rename RepairCenter.exe to RepairCenter.com.
5. Repair one context menu at a time. File, Folder, Drive, and New in the button names are the objects you right-click.
6. The Office repair deletes the Normal template. Word and Excel close, and customizations in those templates are lost.
7. Do not pick the system-drive root for file attributes. Select the folder where the files disappeared.
8. Re-registering every Windows app can take several minutes. Select Only built-in Windows apps when you only want the built-in ones.
9. Cache size and cache rebuild are different. Use Apply for the slider and Fix for the rebuild below it.
10. System Reset is not an ordinary Fix. It opens the Windows reset flow.

14. Repair Center vs. 1-Click Fixer

1-Click Fixer is the checkup after an update, or when something feels wrong. You select a batch of common tasks. The tool detects first and repairs only what failed.

Repair Center is for a problem you can already name: file associations, icons, the context menu, the network, Windows apps, a disk, or Windows Update. Each category has its own description and its own Fix, so unrelated repairs stay untouched.

Suggested order: free space with 1-Click Cleaner, run 1-Click Fixer, then open Repair Center for a symptom that is still there.

Try it now

Repair Center is in the Automation category of Windows Manager, next to tools such as Startup Manager and Settings Security. See the product page for the full set.

Try it: Download Windows Manager and open Automation → Repair Center. Online Help on the question mark returns to this page.