Dynamic link library files, like Accessibility.dll, are comparable to executable files. These components allow multi-application sharing of specific functions for which they are developed. Being a component shared across different programs, it's common for people to experience problems with "Accessibility.dll". In particular, errors associated with it may cause certain functions to fail. Fortunately, fixing these issues is possible – just do the following:
Find a Compatible Version
This DLL file fails to load properly because of incompatibility with numerous programs that need to use it for their own operation. Users can easily download a fresh copy of the file from reliable websites and save it as replacement for the older, incompatible version.
After downloading the replacement file, go to the Windows folder within your computer's main drive or where your operating system is installed. Locate the System32 folder and the problematic "DLL". Rename it for now for the pasting process to go through. Copy and paste the new DLL file into the same folder.
Go to the Start menu and click Run then type "cmd". Hit enter and it will direct you to the command prompt box. For newer Windows versions, like Windows 7, simply type "cmd" on the embedded Search box on the Start menu. Right click on the command prompt icon and choose "Run as Administrator". Type "regsvr32 Accessibility.dll" in the command prompt and hit Enter. A pop up may appear. Click OK to complete the process.
Register the File Manually
Apart from missing files, registration failure is also another common issue experienced with this component. Fortunately, users can register this file manually by doing these steps:
First, access the command prompt using the same procedure. Type "regsvr32 /u Accessibility.dll" in the command prompt and hit Enter to unregister your current DLL file. Now, type "regsvr32 /i Accessibility.dll" then press Enter to register the file manually. Close the command prompt and run the program that you want and wait if the error message will pop up. Restarting your computer after this procedure may also be helpful in refreshing the system and applying the new configuration.
Newly installed programs may prevent other applications from accessing the DLL file due to cross-program incompatibilities. System restore may solve the problem as it will remove newly installed programs and components; it will restore the computer to its original state, or before changes were applied. These are the steps in doing a system restore:
On the Start menu's search box, type "rstrui.exe". Now, choose the restore point where the conflict-causing program hasn't been installed yet. Wait for the process to finish. Follow the instructions and restart the computer if asked to do so. Use your computer and observe if error messages still show up.
Outdated drivers can also cause incompatibilities, especially after you've updated the DLL. So, all you have to do to fix this kind of problem is download the latest drivers for your hardware then install them.
Scan Computer for Malwares
Virus or malware can trigger issues related to the Accessibility file. Malicious programs can delete or create multiple copies of specific files, resulting to inconsistencies. Scan your computer to double check if such applications are lurking inside the system and causing DLL issues.
Fix Registry Errors
DLL files are connected to the computer's registry system. Uninstalling programs that use this DLL file hinder other software from accessing the same file due to orphaned or disconnected paths; this can trigger the error.
Fixing the registry to restore orphaned entries requires the use of the computer command called "regedit". However, this is only recommended for experienced or advanced computer users. Regedit is a sensitive function. Hence, more problems may arise if it's incorrectly used.
Exporting and rebuilding orphaned connections will solve the issue; but if you're not confident in your skills, better leave this procedure out and continue with the next.
Reinstall Operating System
Reinstalling the OS will certainly fix issues related to DLLs. Nevertheless, this should be the last resort due to the inconvenience associated with backing up files and contacts; but in case none of the solutions above worked, back up all your needed documents and format your hard drive to clear out conflicting files. Reinstall the operating system then the other programs
Truth on Troubleshooting
All in all, DLL issues, such as those involving the Accessibility file, are repairable using manual solutions and procedures, which will take several minutes to an hour to accomplish. So, as long as you have enough time on your hands, you'll probably be able to fix your PC.
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