Solved Can I delete the prefetch and %temp% content

Mohammed Nazmy

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Hi, I have a problem with a slow PC, so I searched the internet for a solution, I found that some people delete the content of the ( prefetch and %temp% ) folders and I want to know is it safe enough to delete the content


Thanks.
 

My Computer My Computer

Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
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XFX MG-63MI-7109
Memory
2.00 GB
Graphics Card(s)
NVIDIA GeForce 7100 / NVIDIA nForce 630i
Sound Card
(1) High Definition Audio Device (2) High Definition Audio
Screen Resolution
1024 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000AACS-00G8B1 ATA Device
Yes, you can delete from temp. But there's no point to it ... unless your drive is filling up with jigabytes of temp junk (unlikely).

Yes, you can delete from prefetch. But that won't speed things up. It will slow things down (just a bit ... and the system will soon recover from it). So there's no point to it either.

Urban legends. :(
 

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Dell
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Windows 10 x64
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i7-7700K
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GTX 1060
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Integrated, plus external Presonus Audiobox USB
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2x AOC 27"
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512 GB M.2 SSD
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110 Mbps
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Firefox

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HP Z1 Workstation
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Windows 7 Pro x64 SP1
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Hewlett-Packard 3561h (XU1 PROCESSOR)
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Optical Drive TEAC BD-W26SS-B
Over the years there has been a huge amount of misinformation on the Internet concerning Prefetch. In the early years of XP there were many articles recommending occasional deleting of the prefetch folder contents in order to solver one of it's perceived problems. But it was all based on a serious misunderstanding of how Prefetch worked and the problems never real. Deleting the folder contents will temporarily cripple Prefetch, and Superfetch as well in Vista and later. In more recent years the situation has got much better but there are still some recent misinformed articles.

There has also been a lot of misinformation regarding temp files, the most ridiculous being that Windows would load the contents of the folder into memory at bootup. I have no idea where that idea originated but it is complete nonsense. Deleting temp files is done to conserve disk space, although usually not much. But to improve performance you need to look elsewhere.
 

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
HP
OS
Windows 7 Pro 64 bit
CPU
Xeon W3520
Memory
8 GB
Graphics Card(s)
Nvidia Geforce 210

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Ultimate x64 SP1
CPU
AMD Phenom 2 1090T
Motherboard
Gigabyte GA-890FXA-UD5
Memory
2x8GB Kingston HyperX Fury Black 1600Mhz Unganged
Graphics Card(s)
MSI GTX 970 Gaming 4G
Sound Card
Realtek On-Board HD 7.1 Audio / Logitech G35
Monitor(s) Displays
3xAcer GD245HQ
Screen Resolution
1920x1080
Hard Drives
Samsung 850 Pro 512GB SSD - OS /
WD Caviar Black SATA 3 - 1 TBx2 - Dynamic RAID 0 /
WD Caviar Green SATA 2 - 640GBx2 - Dynamic RAID 0 /
WD Caviar Green SATA 2 - 640GB - Internal Backup /
Seagate Barracude SATA 3 - 3TB - External Backup/ Sync
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HighPower 1000W
Case
Cooler Master HAF 932
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Noctua NH-D14
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Logitech G19
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Logitech G500
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100/4 Mbit Cable (100GB quota)
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ZoneAlarm Extreme Security / MBAM Pro / MBAE Free / SAS Free
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IE 11 - Firefox - Chrome
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Logitech F710/ G27/ G940/ Z5500 // TrackIR 5 // Nvidia 3D Surround Vision
Yes, you can delete from temp. But there's no point to it ... unless your drive is filling up with jigabytes of temp junk (unlikely).

Yes, you can delete from prefetch. But that won't speed things up. It will slow things down (just a bit ... and the system will soon recover from it). So there's no point to it either.

Urban legends. :(

Thanks for your advice :)
 

My Computer My Computer

Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard
XFX MG-63MI-7109
Memory
2.00 GB
Graphics Card(s)
NVIDIA GeForce 7100 / NVIDIA nForce 630i
Sound Card
(1) High Definition Audio Device (2) High Definition Audio
Screen Resolution
1024 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000AACS-00G8B1 ATA Device

My Computer My Computer

Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard
XFX MG-63MI-7109
Memory
2.00 GB
Graphics Card(s)
NVIDIA GeForce 7100 / NVIDIA nForce 630i
Sound Card
(1) High Definition Audio Device (2) High Definition Audio
Screen Resolution
1024 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000AACS-00G8B1 ATA Device
Over the years there has been a huge amount of misinformation on the Internet concerning Prefetch. In the early years of XP there were many articles recommending occasional deleting of the prefetch folder contents in order to solver one of it's perceived problems. But it was all based on a serious misunderstanding of how Prefetch worked and the problems never real. Deleting the folder contents will temporarily cripple Prefetch, and Superfetch as well in Vista and later. In more recent years the situation has got much better but there are still some recent misinformed articles.

There has also been a lot of misinformation regarding temp files, the most ridiculous being that Windows would load the contents of the folder into memory at bootup. I have no idea where that idea originated but it is complete nonsense. Deleting temp files is done to conserve disk space, although usually not much. But to improve performance you need to look elsewhere.

Thank you so much.
 

My Computer My Computer

Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard
XFX MG-63MI-7109
Memory
2.00 GB
Graphics Card(s)
NVIDIA GeForce 7100 / NVIDIA nForce 630i
Sound Card
(1) High Definition Audio Device (2) High Definition Audio
Screen Resolution
1024 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000AACS-00G8B1 ATA Device

My Computer My Computer

Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard
XFX MG-63MI-7109
Memory
2.00 GB
Graphics Card(s)
NVIDIA GeForce 7100 / NVIDIA nForce 630i
Sound Card
(1) High Definition Audio Device (2) High Definition Audio
Screen Resolution
1024 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000AACS-00G8B1 ATA Device

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Ultimate x64 SP1
CPU
AMD Phenom 2 1090T
Motherboard
Gigabyte GA-890FXA-UD5
Memory
2x8GB Kingston HyperX Fury Black 1600Mhz Unganged
Graphics Card(s)
MSI GTX 970 Gaming 4G
Sound Card
Realtek On-Board HD 7.1 Audio / Logitech G35
Monitor(s) Displays
3xAcer GD245HQ
Screen Resolution
1920x1080
Hard Drives
Samsung 850 Pro 512GB SSD - OS /
WD Caviar Black SATA 3 - 1 TBx2 - Dynamic RAID 0 /
WD Caviar Green SATA 2 - 640GBx2 - Dynamic RAID 0 /
WD Caviar Green SATA 2 - 640GB - Internal Backup /
Seagate Barracude SATA 3 - 3TB - External Backup/ Sync
PSU
HighPower 1000W
Case
Cooler Master HAF 932
Cooling
Noctua NH-D14
Keyboard
Logitech G19
Mouse
Logitech G500
Internet Speed
100/4 Mbit Cable (100GB quota)
Antivirus
ZoneAlarm Extreme Security / MBAM Pro / MBAE Free / SAS Free
Browser
IE 11 - Firefox - Chrome
Other Info
Logitech F710/ G27/ G940/ Z5500 // TrackIR 5 // Nvidia 3D Surround Vision

My Computer My Computer

Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard
XFX MG-63MI-7109
Memory
2.00 GB
Graphics Card(s)
NVIDIA GeForce 7100 / NVIDIA nForce 630i
Sound Card
(1) High Definition Audio Device (2) High Definition Audio
Screen Resolution
1024 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000AACS-00G8B1 ATA Device
Checking the System Specs, I will re-write it then:

Getting more RAM would help, also an SSD upgrade gives the most benefit these days.

Hopefully, others will comment on anything I may be missing. I couldn't check motherboard for what it supports, as I need to be going out in a bit!
 

My Computer My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custom Build
OS
Windows 7 Ultimate x64 SP1
CPU
AMD Phenom 2 1090T
Motherboard
Gigabyte GA-890FXA-UD5
Memory
2x8GB Kingston HyperX Fury Black 1600Mhz Unganged
Graphics Card(s)
MSI GTX 970 Gaming 4G
Sound Card
Realtek On-Board HD 7.1 Audio / Logitech G35
Monitor(s) Displays
3xAcer GD245HQ
Screen Resolution
1920x1080
Hard Drives
Samsung 850 Pro 512GB SSD - OS /
WD Caviar Black SATA 3 - 1 TBx2 - Dynamic RAID 0 /
WD Caviar Green SATA 2 - 640GBx2 - Dynamic RAID 0 /
WD Caviar Green SATA 2 - 640GB - Internal Backup /
Seagate Barracude SATA 3 - 3TB - External Backup/ Sync
PSU
HighPower 1000W
Case
Cooler Master HAF 932
Cooling
Noctua NH-D14
Keyboard
Logitech G19
Mouse
Logitech G500
Internet Speed
100/4 Mbit Cable (100GB quota)
Antivirus
ZoneAlarm Extreme Security / MBAM Pro / MBAE Free / SAS Free
Browser
IE 11 - Firefox - Chrome
Other Info
Logitech F710/ G27/ G940/ Z5500 // TrackIR 5 // Nvidia 3D Surround Vision
Checking the System Specs, I will re-write it then:

Getting more RAM would help, also an SSD upgrade gives the most benefit these days.

Hopefully, others will comment on anything I may be missing. I couldn't check motherboard for what it supports, as I need to be going out in a bit!

Ok, thank you so much
 

My Computer My Computer

Computer type
PC/Desktop
OS
Microsoft Windows 7 Ultimate 32-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Pentium(R) 4 CPU 3.00GHz
Motherboard
XFX MG-63MI-7109
Memory
2.00 GB
Graphics Card(s)
NVIDIA GeForce 7100 / NVIDIA nForce 630i
Sound Card
(1) High Definition Audio Device (2) High Definition Audio
Screen Resolution
1024 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
WDC WD5000AACS-00G8B1 ATA Device
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