What is backup.dat?

backup.dat is part of QQ电脑管家安装程序 and developed by Tencent according to the backup.dat version information.

backup.dat's description is "QQ电脑管家5.0安装程序"

backup.dat is digitally signed by Tencent Technology(Shenzhen) Company Limited.

backup.dat is usually located in the 'c:\Program Files\Tencent\QQPCMgr\5.0.1421.205\' folder.

If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.

Vendor and version information [?]

The following is the available information on backup.dat:

PropertyValue
Product nameQQ电脑管家安装程序
Company nameTencent
File descriptionQQ电脑管家5.0安装程序
Internal nameQQ PCMgr Setup
Legal copyrightCopyright (C) 2011 Tencent. All Rights Reserved.
Product version5, 0, 1421, 205
File version5.0 Build 1421

Here's a screenshot of the file properties when displayed by Windows Explorer:

Product nameQQ电脑管家安装程序
Company nameTencent
File descriptionQQ电脑管家5.0安装程序
Internal nameQQ PCMgr Setup
Legal copyrightCopyright (C) 2011 Tencent. All Righ..
Product version5, 0, 1421, 205
File version5.0 Build 1421

Digital signatures [?]

backup.dat has a valid digital signature.

PropertyValue
Signer nameTencent Technology(Shenzhen) Company Limited
Certificate issuer nameVeriSign Class 3 Code Signing 2009-2 CA
Certificate serial number5d0688f9040ad52287fc32adeceb85b0

Hashes [?]

PropertyValue
MD5799ee013881b6c848973db18e68e0075
SHA2568715bf92728950073171d993f1ec26ae070877b71b7211107e1e9be3df7d5d98

What will you do with backup.dat?

To help other users, please let us know what you will do with backup.dat:



What did other users do?

The poll result listed below shows what users chose to do with backup.dat. 100% have voted for removal. Based on votes from 2 users.

Votes
Keep0 %
0
Remove100 %
2

NOTE: Please do not use this poll as the only source of input to determine what you will do with backup.dat. Only 2 users has voted so far so it does not offer a high degree of confidence.

Malware or legitimate?

If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.

Please select the option that best describe your thoughts on the information provided on this web page


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Comments

Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.

I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.

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