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Download procinst.dll to Fix Errors

Sometimes Windows system displays error messages regarding corrupted or missing procinst.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent procinst.dll file can therefore effect in failed execution of the started process.

procinst.dll file Processor Class Installer. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of procinst.dll related errors on your device. You can also download procinst.dll file compatible with Windows 8.1, Windows 8, Windows 7, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 8.1, Windows 8, Windows 7, Windows Vista

File info

General information
Filename procinst.dll
File extension DLL
Description Processor Class Installer
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Executable application
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
procinst.dll

There are various types of errors related to procinst.dll file. procinst.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to procinst.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • procinst.dll is corrupted
  • procinst.dll cannot be located
  • Runtime Error - procinst.dll
  • procinst.dll file error
  • procinst.dll file cannot be loaded. Module was not found
  • cannot register procinst.dll file:
  • procinst.dll file could not be loaded
  • procinst.dll file doesn't exist

procinst.dll

Error

Application could not be started because procinst.dll file is missing. Reinstall the application to solve the problem.

OK

Problems related to procinst.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing procinst.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

procinst.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with procinst.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to procinst.dll file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of procinst.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to procinst.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the procinst.dll file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the procinst.dll file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the procinst.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace procinst.dll file

The last solution is to manually download and replace procinst.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded procinst.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of procinst.dll file example directory paths.

  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\System32\
  • Windows Vista: C:\Windows\System32\

If the steps did not solve your procinst.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename procinst.dll
System Windows 8.1
File size 8704 bytes
Date 2014-11-21
File details
MD5 2f78756d61edb5a554ec148906ab4c59
SHA1 fa78f67847df432f665d6b92ba00f18777adacf6
SHA256 be413cc9186eb4a80a5be2591a18ae56c8fdc5be7596fe206cc2b937ee6bac4a
CRC32 a296681c
Example file location C:\Windows\System32\
Filename procinst.dll
System Windows 8
File size 8704 bytes
Date 2012-07-26
File details
MD5 ce51c6c3deded14fef5e08120a9dec33
SHA1 338bb7a6e1e91290a33d86228264277da2039006
SHA256 01962b9ddcfc94f00c90de1cd65c81679120d7b69728a6d1fa4fab53bc241206
CRC32 b57457e2
Example file location 1: C:\Windows\System32\
Filename procinst.dll
System Windows 7
File size 10240 bytes
Date -0001-11-30
File details
MD5 f546a01b2f64970245fa5bb9fd6df921
SHA1 e9361ded39620126ce0b1db04801ec1f3cac0e5e
SHA256 2235efbf350b6be120a88dfc5a7c746a060bab9af9ebdbf4a44de8732c8368bf
CRC32 322c61bc
Example file location C:\Windows\System32\
Filename procinst.dll
System Windows Vista
File size 9216 bytes
Date 2008-01-21
File details
MD5 4c8b3561ed7ff4a89510965ebe2a11a0
SHA1 fa74504dc2811a2ce9a4ae06c3b0c231acaef469
SHA256 dab28352dff54a193739acb13a270e77ef6d03b6593a29c86f740c7276854047
CRC32 865b7271
Example file location C:\Windows\System32\