Download UsrClass.dat to Fix Errors

Sometimes Windows system displays error messages regarding corrupted or missing UsrClass.dat 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 UsrClass.dat file can therefore effect in failed execution of the started process.

UsrClass.dat file Game Data. The file was developed by Microsoft for use with Office software. Here you will find detailed information about the file and instructions how to proceed in the event of UsrClass.dat related errors on your device. You can also download UsrClass.dat file compatible with Windows 10, Windows 10, Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows 8 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 10, Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows XP, Windows 8

File info

General information
Filename UsrClass.dat
File extension DAT
Type Dynamic Link Library
Description Game Data
Software
Program Office 2010
Software Office
Author Microsoft
Software version 2010
Details
File size 262144
Oldest file 2017-04-24
Latest file 2017-05-10
UsrClass.dat

There are various types of errors related to UsrClass.dat file. UsrClass.dat 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 UsrClass.dat file. If you encounter one listed below (or similar), please consider the following suggestions.

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

UsrClass.dat

Error

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

OK

Problems related to UsrClass.dat 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 UsrClass.dat 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.

UsrClass.dat 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 UsrClass.dat 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 UsrClass.dat 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 UsrClass.dat 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 UsrClass.dat file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the UsrClass.dat 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 UsrClass.dat 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 UsrClass.dat 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 UsrClass.dat file

The last solution is to manually download and replace UsrClass.dat 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 UsrClass.dat file.

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

  • Windows 10: C:\Users\Bill Gates\AppData\Local\Microsoft\Windows\
  • Windows 10: C:\Users\Bill Gates\AppData\Local\Microsoft\Windows\
  • Windows 10: C:\Users\Bill Gates\AppData\Local\Microsoft\Windows\
  • Windows 8.1: ---
  • Windows 8: ---
  • Windows 7: ---
  • Windows 7: ---
  • Windows Vista: ---
  • Windows Vista: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows XP: ---
  • Windows 8: ---

If the steps did not solve your UsrClass.dat 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 UsrClass.dat
System Windows 10
File size 2097152 bytes
Date 2017-05-10
File details
MD5 abbced8b0e6c9f32d1fd137dc1ec47c1
SHA1 9cad80c6457b49c07a4c900844188e333a465416
SHA256 382b1ee79dd4018e3a3fea42507a25c6ad86343e5f56d9fe62c762197b1e766e
CRC32 8efa9f50
Example file location C:\Users\Bill Gates\AppData\Local\Microsoft\Windows\
Filename UsrClass.dat
System Windows 10
File size 1048576 bytes
Date 2017-04-24
File details
MD5 806c277cbb07adc1dd3d4e752ca1d221
SHA1 b96c090af1899eb5b56b30382cd18fa68b4888cf
SHA256 2af978999ef7df12b30d6e5ae538340b310accd1d18a9e734f3e606df39fe049
CRC32 7d781ac0
Example file location C:\Users\Bill Gates\AppData\Local\Microsoft\Windows\
Filename UsrClass.dat
System Windows 10
File size 262144 bytes
Date -0001-11-30
File details
MD5 e8e506d489bf1c3757d474567f79c959
SHA1 049ca12b2fa74430ee073760b8596f0cce2c492e
SHA256 ad0597ef3a234fe55ab5d3b1bc252a31a84b486c223b2464b4e96111050b6068
CRC32 63116ad9
Example file location C:\Users\Bill Gates\AppData\Local\Microsoft\Windows\
Filename UsrClass.dat
System Windows 8.1
File size 3145728 bytes
Date 2017-04-24
File details
MD5 0546e434294c42462dff7d90e22c523a
SHA1 3bec745c06481a15f77ec64b38bbb4d2f46b3854
SHA256 39b3dcfa2e2b5212713d78b37622acee5795b90e20746ff7038c9d20813a5c24
CRC32 618f391e
Example file location ---
Filename UsrClass.dat
System Windows 8
File size 2097152 bytes
Date 2017-04-24
File details
MD5 5a973f06915a36b9802098ccedf6628c
SHA1 a338ef1f82bc0f2c92a584db2154cec2a4c138c5
SHA256 31c7e2b3a8355281d2f737748ef36b204748ee8d885153d7986efd12bf325ec4
CRC32 65869580
Example file location ---
Filename UsrClass.dat
System Windows 7
File size 262144 bytes
Date 2017-05-10
File details
MD5 6d5ac3c05d457b37ae97a1a2683eac4b
SHA1 d377c3291b9f0e00bcbafbc71141824ca5e72368
SHA256 08559670aa25a71c2ee83b2585bd228d8605009693cf59899a783586ca6db000
CRC32 f42e7ab5
Example file location ---
Filename UsrClass.dat
System Windows 7
File size 262144 bytes
Date 2017-04-24
File details
MD5 7e5de3e733a16bf8d66a54f2ad58e725
SHA1 f6d1c5e87e65b5a1a594168c6161523e7342b41c
SHA256 adbae161bdd2a9927fbab7c839cedb67556d67ed4971d083946b54cb1e5f8e92
CRC32 11873513
Example file location ---
Filename UsrClass.dat
System Windows Vista
File size 262144 bytes
Date 2017-05-10
File details
MD5 438a4397ecb854630636fef1bcb73a6a
SHA1 2da887782b3d693e9b94763cb787aaa0e517e30f
SHA256 696261d64a9a405d6a3ef0340597c8dedd140127d7eda35b41fad37a48737dbd
CRC32 2a431c0e
Example file location ---
Filename UsrClass.dat
System Windows Vista
File size 262144 bytes
Date 2017-04-24
File details
MD5 7a6c187b2730249016e531cd40a16676
SHA1 c43ee012e74691a5c231994aaa02e1ffcc207d4e
SHA256 6c5b4989fc75c96884da6acc1b9543ce6d338a2426a2bfabf4d01cb33e197ad9
CRC32 a9122fa0
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date 2017-05-10
File details
MD5 2416aa0d78255b7222cb842fe7a91376
SHA1 06d4ae710c2143f2b81cc5c5ca65b1a735c443d3
SHA256 49fd22c0b79b943d44212ac632d9a4fae4ba0081f3ebcd20a5dcd5f40645dd2e
CRC32 3c202cfa
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date -0001-11-30
File details
MD5 a1a5f7d469450d29d0e956ebda0574d6
SHA1 7e8a427a19365d4a5e9eed6f3401ec91a167c39e
SHA256 e21090c30b76e27460e7f2cec7ddbbe5fc55dfd4049f9ab45d85b32b0c09dcc1
CRC32 03fc9058
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date -0001-11-30
File details
MD5 e72eef79204868c41cffe819c0eb4b74
SHA1 27dafabefc01a811bd0e407c878c1bd82902cb83
SHA256 bfbf401e3f5cd4e85604b18b3ad3593836bc8c5891bb3b945dc4dcd9e52c84cc
CRC32 31bc2c4d
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date -0001-11-30
File details
MD5 39773c0a957f34313238c134ff8d5b99
SHA1 b910713d1b2bc2fe4a661486024c21823b9d050b
SHA256 75b28d9c8883b0b36a873ddbfeb2c03851753520e7ffc6be6b8e54caf978786d
CRC32 e53fe8a4
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date 2017-05-10
File details
MD5 7260371a2c3cd609710a702d5da62baf
SHA1 99732d3ed75d38d92b053a6f8c14bf53a750a2c4
SHA256 ceb628a9a3aad1188b985841ed8931632021dec99d027b27ee806ea5dc7d3467
CRC32 f103b7b2
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date -0001-11-30
File details
MD5 eb49efa9bcd5f0f2fb36b24cc1fd7922
SHA1 fa99c8c95b9285495e005f02fb14828e2f65c520
SHA256 3dd2a5c7fbe4e56c7d9607ce5278813062d07cfd5bf440faac7411fcf297735e
CRC32 4bac6de4
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date -0001-11-30
File details
MD5 00c9189c204f747ab347bbb9fd5c75ad
SHA1 9593ec2d4ba03af2cef69322e3e9c3fce13fd7a7
SHA256 9cdbcfb77aaf4374193b619dc02f1ca278a31705c0b97c0ec9c8fd694726751f
CRC32 8b2b43d8
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date -0001-11-30
File details
MD5 278d5f5810c47d95ced649b583c19121
SHA1 80f32c54f80af101e937bce555aa11f0418838ee
SHA256 99dfe1d49f181ba2d25348509c2e0dc1b21d5abc7a5f83e3c8249434e5f9d70c
CRC32 69aabc8f
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date 2017-05-10
File details
MD5 35e9f35c61bb44a8b33f0186ec738a32
SHA1 cd5aa7b1ac3ccef8384c22d4eb0af9d2c97a4c4e
SHA256 f7919469bd273d830da29f1138d9cf061649e9fdbfe49cf352c515dc638d43fa
CRC32 4879db97
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date -0001-11-30
File details
MD5 6370c1a512bc56ab11c91cb2d4169635
SHA1 37405d3dc1e3113b34b88e58b4316738ec2538e1
SHA256 39a2159b4044e0138dde02c2a716d727083fe6598a4f1d034e9a123851cb58e6
CRC32 f2b05cac
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date 2017-04-24
File details
MD5 801eeb101fc27edf91e8bb2abeae1dbe
SHA1 9ec660c778c7fb497cdf520f3bd4054f18cb4bbb
SHA256 d500cce1ba7f23b397ef9a65221e921fb48a93aac62d1627e3dd3fd400d471ee
CRC32 2954c624
Example file location ---
Filename UsrClass.dat
System Windows XP
File size 262144 bytes
Date -0001-11-30
File details
MD5 aa7865f120b05d459674c3d29f0f9308
SHA1 dc5ee64b7958b5356104883bdba063ecf3fd5a04
SHA256 a2cfc4adeae3ca435a584f284636d0a92b333fbf23e5c893d6c4ced293dba12f
CRC32 62d9c8c7
Example file location ---
Filename UsrClass.dat
System Windows 8
File size 2097152 bytes
Date 2017-05-10
File details
MD5 abbced8b0e6c9f32d1fd137dc1ec47c1
SHA1 9cad80c6457b49c07a4c900844188e333a465416
SHA256 382b1ee79dd4018e3a3fea42507a25c6ad86343e5f56d9fe62c762197b1e766e
CRC32 8efa9f50
Example file location ---